| amphotropic host range of naturally occuring wild mouse leukemia viruses. | seven murine leukemia virus field isolates (uncloned) from wild mice (musmusculus) of four widely separated areas in southern california show an unusually wide in vitro host range. they replicate well in human, feline, canine, guinea pig, rabbit, rat, and mouse cells, whereas bovine, hamster, and avian cells are resistant. since this host range includes that of both mouse tropic (ecotropic) and xenotropic murine leukemia viruses, they are designated as "amphotropic". no purely xenotropic virus c ... | 1976 | 181592 |
| the diminishing pet population. | | 1977 | 584091 |
| prevalence of toxoplasma gondii antibodies in wild and domestic animals in northern california. | wild and domestic animals from 3 geographic-climatologic areas in northern california were tested for antibodies against toxoplasma gondii. a total of 2,796 serum samples representing 37 species of wild mammals, 35 species of wild birds, and 5 species of domestic animals were tested by the indirect hemagglutination test. of 1,174 wild mammal serums tested, 10.8% were positive, which compared with 14.7% of the 1,221 domestic mammal serums. of 229 wild carnivores tested, 45% were seropositive, inc ... | 1976 | 977457 |
| veterinary public health aspects of animal regulation. | | 1975 | 1184444 |
| rabies surveillance in the united states during 1991. | in 1991, 49 states, the district of columbia, and puerto rico reported 6,972 cases of rabies in nonhuman animals and 3 cases in human beings to the centers for disease control. ninety-one percent (6,354 cases) were wild animals, whereas 8.9% (618 cases) were domestic species. the total number of reported cases of rabies increased 42.9% over that of 1990 (4,881 cases), with most of the increase resulting from continued spread of the epizootic of rabies in raccoons in the mid-atlantic and northeas ... | 1992 | 1483899 |
| for better hip replacement results, surgeon's best friend may be a robot. | | 1992 | 1731119 |
| hemolytic anemia caused by babesia gibsoni infection in dogs. | babesia gibsoni caused severe hemolytic anemia in 11 dogs from southern california. the most common clinical signs of b gibsoni infection were lethargy, anorexia, anemia, and thrombocytopenia. acute infection with b gibsoni may be misdiagnosed as autoimmune hemolytic anemia. diagnosis was most reliably determined by identification of the intraerythrocytic parasites on giemsa-stained blood smears. the pathogenicity of b gibsoni, difficulties in diagnosis, the parasite's resistance to treatment wi ... | 1991 | 1787120 |
| california serogroup virus infections in wisconsin domestic animals. | a serologic survey and experimental virus transmission studies were done to assess the role of domestic animals as amplifier hosts of la crosse (lacv) and jamestown canyon (jcv) viruses. serum from 319 cows, 88 dogs, 122 equines, 47 swine, 10 goats, and 4 cats were tested for neutralizing antibody to lacv, jcv, trivittatus (tvtv), and snowshoe hare (sshv) viruses. antibody prevalences of lacv, tvtv, and sshv were less than 10% in all species. antibody to jcv was detected in all species except ca ... | 1988 | 3189702 |
| prevalence, type, and importance of splenic diseases in dogs: 1,480 cases (1985-1989). | the prevalence data of splenic diseases from 3 sources were studied. group 1 consisted of a general diagnostic survey of accessions submitted from private veterinary hospitals in california during a period of approximately 4 years and included 1,372 submissions of canine splenic tissue. group 2 consisted of surgical splenectomy specimens from 92 dogs; the specimens were submitted to the laboratory for gross and histologic evaluation prior to fixation, and a questionnaire was subsequently sent to ... | 1992 | 1568933 |
| clinical and serologic studies of canine borreliosis. | during 1984 and 1985, blood samples were obtained from 271 dogs that were suspected of having borreliosis. the dogs lived in areas known to be infested with ticks and had been examined because of limb/joint disorders or for unknown illnesses marked by fever, anorexia, or fatigue. lameness had been the most frequently reported clinical manifestation. analyses of serum specimens, by an indirect fluorescent antibody (ifa) method or by an elisa, detected antibodies to borrelia burgdorferi, the etiol ... | 1987 | 3319989 |
| morbidity and mortality in pups from pet stores and private sources: 968 cases (1987-1988). | morbidity (greater than or equal to 1 disease condition) for pups sold from 3 pet stores from january 1987 through december 1988 ranged from 54 to 68%. in 1 store, morbidity was higher for store pups, compared with pups originating from private parties, for such disease conditions as "kennel cough," diarrhea, and several species of gastrointestinal parasites. in-store mortality ranged from 5 to 9.5% of pups arriving for sale. | 1992 | 1506257 |
| studies on the epidemiology of california encephalitis in an endemic area in ohio in 1971. | | 1975 | 1200262 |
| cancer in cats and dogs. | | 1968 | 4175166 |
| hydatid disease transmission in california. a study of the basque connection. | a descriptive epidemiologic and anthropologic study was designed to determine by field observation and interview the extent of basque involvement in the sheep industry of california, the nature of the sheep and dog husbandry practices of california basques as they might influence echinococus granulosus transmission, and the "folk knowledge" of hydatid disease possessed by california basques, particularly as it might indicate the early presence of this infection in california and provide evidence ... | 1975 | 1180253 |
| a survey for toxoplasma gondii antibodies in deer and other wildlife on a sheep range. | blood samples were obtained from native mammals and birds on a sheep range (hopland field station) in northern california. serums were tested for antibodies to toxoplasma gondii by the indirect hemagglutination test. of 382 deer that were tested from 1964 to 1973, 77 (20%) were seropositive for t gondii. among 36 serums representing 6 species of wild carnivores (badgers, bobcats, coyotes, foxes, raccoons, and skunks), 18 (50%) were seropositive. all of the 5 bobcats tested were seropositive, wit ... | 1975 | 1176348 |
| observations on overpopulation of dogs and cats. | | 1975 | 1150521 |
| barking dogs as an environmental problem. | the levels of noise from barking dogs in and near representative veterinary hospitals were measured and evaluated to determine their effects on practicing veterinarians, their staffs, clients, and neighbors. special design criteria to minimize noise levels within the hospitals and dog confinement areas, and to prevent noise travel to other parts of the establishments and to surrounding neighborhoods, were an important element of the study. | 1975 | 1133065 |
| survey of canine and feline populations: alameda and contra costa counties, california, 1970. | age, sex, breed, and reproductive data were obtained on canine and feline populations in alameda and contra costa counties, california. the demographic data were determined as of dec 31, 1970, the reproductive data for all of 1970. the total of 27,076 households interviewed represented 5% of all households in the area. the canine and feline populations were estimated as 224,815 and 151,176, respectively. there was 1 dog for 7.3 persons and 1 cat for 10.8 persons. almost half of the households in ... | 1975 | 1112753 |
| serologic observations during an outbreak of rat borne plague in the san francisco bay area of california. | results of a serologic study of a plaque outbreak among rats (rattus norvegicus) and associated wild rodents are presented. bacteriologic and serologic evidence points toward mutual exchange of fleas and plaque infection between the intermingled rat and wild rodent populations. results emphasize the value of serologic methods for epizootiologic studies of plague in north american rat populations. | 1975 | 1097744 |
| serologic diagnosis of toxoplasmosis and prevalence of toxoplasma gondii antibodies in selected feline, canine, and human populations. | | 1973 | 4574472 |
| antibodies to toxoplasma gondii and coxiella burneti among students and other personnel in veterinary colleges in california and brazil. | | 1974 | 4606228 |
| [the standord university experience with clinical heart transplantion (author's transl)]. | | 1974 | 4613765 |
| survey of toxocara canis infection rate in impounded dogs in los angeles county. | | 1978 | 640937 |
| poisoning of man and animals due to ingestion of the rodent poison, vacor. | | 1979 | 494485 |
| spay clinics: the other side of the story. | | 1973 | 4695535 |
| survey for the arthropod vectors and mammalian hosts of ricky mountain spotted fever and plague at fort ord, california. | | 1973 | 4719297 |
| epidemiologic and clinical aspects of animal bite injuries. | during 1975, 332 animal bite injuries accounted for 1.2% of all surgical problems treated at the ucla hospital emergency department. data on 307 bite injuries were available and analyzed for environmental, animal, human, interaction, and clinical factors. more than half of the dog bites and almost three fourths of the cat bites-scratches happened at or near the victims' homes. dog bites were almost twice as common among men, while cat bites-scratches were twice as common among women. of the inci ... | 1979 | 430939 |
| lyme borreliosis in california. acarological, clinical, and epidemiological studies. | the relative abundance of, and spirochetal-infection rates in, adult ixodid ticks from eight lyme borreliosis clinical-case areas and two comparison areas were investigated in northern california from late fall to early spring, 1984-87. the western black-legged tick (ixodes pacificus) was the most abundant species at seven of nine sites yielding specimens as determined with a tick drag method. the pacific coast tick (dermacentor occidentalis) was the most abundant species at two sites, and lesse ... | 1988 | 3263826 |
| imported dog and cat rabies--new hampshire, california. | | 1988 | 3137439 |
| a survey for toxoplasma antibodies in northern california livestock and dogs. | | 1974 | 4825778 |
| the epidemiology of cancer in animals. | the principles of epidemiology are applicable to the study of the distribution and determinants of cancer in both human and animal populations. there are many examples of epidemiologic factors (host, environment, agent and time) related to cancer in animals. certain host characteristics such as age, sex and breed are related to risk of developing cancer. some environmental influences are illustrated by differences in the geographical distribution of certain types of animal cancer. aggregations o ... | 1967 | 4865378 |
| identification of transmission foci of hydatid disease in california. | | 1969 | 4977534 |
| serologic survey of toxoplasmosis in southern california domestic animals by a hemagglutination, microtiter method. | | 1969 | 4993567 |
| long-term fate of valve cusp patches for right ventricular outflow tract reconstruction. | six patients with tetralogy of fallot, pulmonary atresia, or absent pulmonary valve syndrome were operated with a rvot patch containing a single aortic allograft cusp from an adult donor. the method was based on animal work with similar patches implanted in growing puppies and proved that the single cusp functioned as an effective rv outflow valve for several weeks after surgery. postoperative angiograms in the animals confirmed nearly completely competent valves. sacrifice of animals at 3 month ... | 1988 | 2980057 |
| ecology of a semi-isolated population of adult anopheles freeborni: abundance, trophic status, parity, survivorship, gonotrophic cycle length, and host selection. | a population of adult anopheles freeborni near sheridan, ca was sampled daily during 13 august-7 september 1984. data on abundance, trophic status, and gonotrophic age were recorded. abundance and gonotrophic age data were analyzed to estimate daily survivorship and gonotrophic cycle length. daily survivorship for unfed mosquitoes was estimated to be 0.72 with a gonotrophic cycle of 6 days duration. daily survivorship for bloodfed mosquitoes was estimated to be 0.74 with a gonotrophic cycle of 4 ... | 1989 | 2774063 |
| hydatid disease in california. study of hospital records, 1960 through 1969. | | 1971 | 5167186 |
| [advances in the control of rabies in the imperial county (cafifornia)]. | | 1969 | 5392915 |
| rabies surveillance, united states, 1988. | the primary purpose of the annual report on rabies surveillance is to assist local and state public health officials in the planning of rabies control programs and to guide health professionals in evaluating the need for rabies postexposure prophylaxis in patients who are exposed to animals that may be rabid. in 1988, a total of 4,724 cases of animal rabies were reported by 47 states, the district of columbia, and puerto rico, similar to the total (4,729) for 1987. no human cases of rabies were ... | 1989 | 2505046 |
| hydatid disease in the central valley of california. transmission of infection among dogs, sheep, and man in kern county. | | 1970 | 5465773 |
| clinical and angiographic findings in extremity arterial injuries secondary to dog bites. | from may 1986 through may 1989, the annual number of patients evaluated for dog-bite injuries in the los angeles county hospital jail ward more than doubled. during this period, the number of annual extremity angiograms increased from two to 42. forty-six of the 48 angiograms were done to evaluate injuries sustained from police dog bites. only two angiograms, both negative, were performed to evaluate injuries sustained from nonpolice dog bites. ten of 48 angiograms (24%) demonstrated significant ... | 1990 | 2393183 |
| stressful life events and use of physician services among the elderly: the moderating role of pet ownership. | the physician utilization behavior of 938 medicare enrollees in a health maintenance organization was prospectively followed for 1 year. with demographic characteristics and health status at baseline controlled for, respondents who owned pets reported fewer doctor contacts over the 1-year period than respondents who did not own pets. furthermore, pets seemed to help their owners in times of stress. the accumulation of prebaseline stressful life events was associated with increased doctor contact ... | 1990 | 2391640 |
| [preservation of the lungs]. | | 1990 | 2194547 |
| onchocerciasis in a california dog. | a 15-year-old dog that had lived all of its life on ranches and at the wildlife waystation on the western edge of the san gabriel mountains near los angeles, california, developed an extensive granulomatous lesion involving the right eye and associated tissues requiring removal of both the eye and the lesion. microscopic examinations of the tissues revealed the presence of living and dead gravid female worms and male worms belonging to the genus onchocerca. unsheathed microfilariae presumed to b ... | 1991 | 2063954 |
| [outbreak of rabies in wild animals in san diego county, california, united states]. | | 1968 | 5749062 |
| prevalence of cryptosporidiosis in dogs and human beings in san bernardino county, california. | fecal specimens from 200 stray dogs impounded at the san bernardino city and county animal shelters were screened for cryptosporidium sp oocysts, using the auramine-rhodamine fluorescent staining procedure. the university of california, los angeles acid-fast stain was used for confirmation. only 4 (2%) dogs were passing cryptosporidial oocysts. likewise, stool specimens from 664 people were submitted to the san bernardino county department of public health laboratory for routine parasitologic ex ... | 1991 | 2019531 |
| the seasonal incidence of canine coccidioidomycosis. | | 1966 | 5967324 |
| mosquito abundance and bionomics in residential communities in orange and los angeles counties, california. | mosquito abundance and bionomics were studied intensively during summer and spring at two residential communities of contrasting economic status. culex quinquefasciatus was the most abundant adult and immature mosquito collected in both communities, followed by culiseta incidens, culex stigmatosoma, and culex tarsalis. cx. stigmatosoma and cx. tarsalis were more abundant in co2 traps hung in tree canopy than at ground level and fed most frequently on birds. cx. quinquefasciatus was abundant in b ... | 1990 | 1970608 |
| security dogs in the emergency department: one hospital's solution to the crisis of violence. | | 1991 | 1921050 |
| breeding ban polarizes california community. | | 1991 | 1796941 |
| george e. brown, jr.... california congressman shares views on animal welfare act amendments, laboratory vandalism, aphis funding. interview by william m. samuels. | | 1986 | 3786472 |
| human and sylvatic trypanosoma cruzi infection in california. | in august 1982, a 56-year-old woman from lake don pedro, california, developed acute chagas' disease (american trypanosomiasis). she had not traveled to areas outside the united states with endemic chagas' disease, she had never received blood transfusions, and she did not use intravenous drugs. trypanosoma cruzi cultured from the patient's blood had isoenzyme patterns and growth characteristics similar to t. cruzi belonging to zymodeme z1. triatoma protracta (a vector of trypanosoma cruzi) infe ... | 1985 | 3919598 |
| pet ownership in a suburban-rural area of california, 1970. | | 1974 | 4213291 |
| [rabies outbreak in wild animals in san diego county, california]. | | 1969 | 4245023 |
| sebopsoriasis in the dog. | | 1974 | 4275015 |
| morphologic and biologic characteristics of the canine cutaneous histiocytoma. | | 1969 | 4303447 |
| comments on feline syncytia-forming virus. | | 1971 | 4325044 |
| host-feeding patterns of culex tarsalis in the sacramento valley, california, with notes on other species. | | 1967 | 4383195 |
| hydatid disease is endemic in california. | hydatid disease, a parasitic infection of global importance and a condition for which there is no known medical treatment, is established endemically in the central valley of california. only further study will reveal whether or not the infection is now spreading or intensifying or is remaining fairly stable at a relatively low level of endemicity. california physicians should be aware of its presence and the fact that in most sheep-raising areas of the world it constitutes a problem of major me ... | 1972 | 4638400 |
| emergency service. challenge of the seventies. | | 1973 | 4689660 |
| incidence of atopic dermatitis in dogs. | | 1974 | 4824804 |
| endemicity of dirofilaria immitis and dipetalonema reconditum in dogs of pleasants valley, northern california. | a house-to-house survey of dogs in a 26-km2 area of pleasants valley (northern california) was done to determine the prevalence of the filariids dirofilaria immitis leidy and dipetalonema reconditum grassi in the canine population. blood samples were taken from the cephalic vein of 97 dogs (greater than or equal to 5 months of age) and were tested for the presence of microfilariae, using a modification of the knott technique. two dogs with autochthonous d immitis (2.1% of the dogs examined) were ... | 1981 | 7194612 |
| public health aspects of cancer in pet dogs and cats. | | 1972 | 5085510 |
| complications of rubella immunization in children. | a rubella vaccine, prepared in dog kidney cell culture, was given to 4,734 primary school children in one california county in may, 1970. adverse reactions of arthritis, arthralgia and paresthesia were reported two to eight weeks later. paresthesia was a very prominent complaint and showed a peculiar diurnal pattern. objective findings in a group of symptomatic children who came to medical attention were limited to tender, swollen, small joints. rubella virus was isolated from throat swabs from ... | 1971 | 5101638 |
| canine filariasis in northern california. | | 1970 | 5464935 |
| the epidemiology of canine leukemia and lymphoma. | | 1970 | 5538360 |
| pet ownership in rural northern california (el dorado county). | demographic and economic aspects of pet ownership were studied in 488 households in el dorado county, california, from may to july 1971. about 60% of households owned dogs or cats, and pet ownership was most prevalent (75%) in two small residential communities in the western end of the county. among dogs, poodle and german shepherd dog were the most popular breeds; about 36% of the females in the sample were spayed, but only 6% of the males were castrated. approximately one third of all cats had ... | 1980 | 7353990 |
| origin of the australian shepherd dog (german collie) | | 1980 | 7353993 |
| serologic survey for toxoplasma antibodies in a colony of research dogs and cats in california. | | 1968 | 5660999 |
| survey of animal neoplasms in alameda and contra costa counties, california. i. methodology and description of cases. | | 1968 | 5694271 |
| survey of animal neoplasms in alameda and contra costa counties, california. ii. cancer morbidity in dogs and cats from alameda county. | | 1968 | 5694272 |
| serological surveillance of plague in dogs and cats, california, 1979-1991. | following natural infection both cats and dogs develop antibodies to plague which can be measured for several months after infection. besides being helpful in the diagnosis of plague in domestic carnivores, the antibody titer has important implications in outbreak investigation and surveillance programs. we report the first serological survey for plague in domestic carnivores conducted in california between 1979 and 1991 in five different settings or programs. a total of 4115 dogs and 466 cats w ... | 1994 | 7924244 |
| cancer in households. a human-canine retrospective study. | | 1968 | 5750120 |
| host-feeding patterns of anopheles freeborni in the sacramento valley, california. | | 1967 | 6052143 |
| a new species of dipetalonema from the california sea lion and a report of microfilariae from a steller sea lion (nematoda: filarioidea). | | 1967 | 6062061 |
| epizootiologic characteristics of canine and feline leukemia and lymphoma. | | 1967 | 6070962 |
| landscape epidemiology of mosquito-borne canine heartworm (dirofilaria immitis) in northern california, usa. i. community-based surveys of domestic dogs in three landscapes. | | 1984 | 6141294 |
| comparison of age- and sex-specific incidence rate patterns of the leukemia complex in the cat and the dog. | data on cancer cases in cats and dogs were collected systematically by the animal neoplasm registry of alameda and contra costa counties, calif., a population-based animal tumor registry. etiologic relationships were evaluated on the basis of comparisons of age-specific, sex-specific, and age-neutered-specific incidence rate patterns of the leukemias. age-adjusted annual incidence rates for all leukemias per 100,000 cats or dogs were 224.3 and 30.5, respectively. the cat had 6.1 times more malig ... | 1983 | 6573542 |
| esophageal/gastric leiomyoma in the laboratory beagle. | in a colony of 306 laboratory beagles, gastric leiomyoma was diagnosed at necropsy (n = 69) and by biopsy (n = 1). the prevalence in males and females was nearly identical (23% and 22%, respectively). the neoplasm was strongly age related (p less than 0.001) and was seen in 82.4% of dogs aged 17 to 18 years. in contrast to malignant gastric tumors that generally are found in the distal two thirds of the stomach, the leiomyomas were found at the esophageal/gastric junction in 94% of cases. clinic ... | 1983 | 6605959 |
| epidemiologic study of cats and dogs affected by the 1991 oakland fire. | to identify risk factors of pets affected by the 1991 oakland, calif fire for being lost, found, adopted, or reunited with owners. | 1998 | 9491157 |
| prevalence of sensitization to aeroallergens in california patients with respiratory allergy. allergy skin test project team. | the number of allergy skin tests required to evaluate patients with respiratory allergy has recently been challenged by the managed care community. | 1998 | 9759795 |
| k-9 teams in a california hospital. | the author discusses the acquisition of k-9 teams by his hospital. the need for the program, its results, and the role of the team in the hospital are explored. | 1991 | 10112759 |
| animal rights bill defeated in california. | | 1984 | 6729460 |
| tick (acari: ixodidae) paralysis in dogs from northern california: acarological and clinical findings. | | 1984 | 6748008 |
| the cost of one rabid dog--california. | | 1981 | 6793834 |
| quantitative index for diagnostic surveillance of neoplasms in dogs. | the probability of detecting a neoplasm in dogs with a previous or concurrent tumor may not be the same as the probability of observing a first neoplasm in the general canine population. a population-based index was developed to quantitate the diagnostic surveillance of tumor-bearing and nontumor-bearing dogs. the index was derived from each dog's excess submissions defined as the difference between the number of tissues submitted for microscopic examination during a dog's registration and the n ... | 1983 | 6838036 |
| incidence of r-plasmids in fecal flora of healthy household dogs. | rectal swabs were taken from healthy household dogs that, insofar as could be determined, had not received antimicrobial drugs. tetracycline-resistant coliforms comprised 80 to 100% of the total number of coliforms in 61 (65%) of the 94 dogs sampled. the median number of other resistance determinants possessed by these tetracycline-resistant coliforms was 5.1. of the tetracycline-resistant strains studied, 97% were resistant to streptomycin; 76% were resistant to sulfonamides; 59% were resistant ... | 1980 | 6999979 |
| the occurrence and effects of the local strains of the california encephalitis group of viruses in domestic mammals of florida. | | 1973 | 4745239 |
| aspects of pet ownership in yolo county, california. | | 1974 | 4811896 |
| serological evidence of human infection with the protozoan neospora caninum. | neospora caninum is a protozoan parasite that is closely related to toxoplasma gondii. dogs are a definitive host. prior to its discovery in 1988, n. caninum infection in animals was often mistakenly diagnosed as toxoplasmosis. neosporosis in animals is characterized by encephalitis, abortion, and other conditions that clinically and pathologically resemble toxoplasmosis. the potential of n. caninum to infect humans is unknown. therefore, evidence of human exposure to this parasite was sought by ... | 1999 | 10473533 |
| poisoning of animals in the los angeles area with pesticides during 1977. | during 1977, there were 289 pesticide exposure incidents involving animals that were handled by the thomas j. fleming memorial poison information center in los angeles. almost all of this service was provided to veterinarians and most of the incidents involved dogs. cases handled by this center are considered typical for small animal practices in urban areas of california. ingestion was the major route of exposure. as recently as 10 years ago, arsenic, strychnine, and phosphorus were major cause ... | 1980 | 7210471 |
| animal and human health risks associated with africanized honeybees. | | 1999 | 10613211 |
| human pulmonary dirofilariasis in the west. | | 1981 | 7222665 |
| animal bites: patterns of treatment. | between 1972 and 1979, more than 350,000 animal bite incidents were reported to the los angeles county department of health services. each incident was investigated by county health authorities. to determine the type of treatment given to animal bite victims, a mailed questionnaire was sent to 1,201 persons selected from the 1972 report files. eighty-nine percent of respondents received treatment for animal bite. the most frequent treatment (64.5%) was tetanus immunization alone or with cleaning ... | 1981 | 7224262 |
| canine heartworm infection in southern california. | | 1981 | 7275767 |
| animal surgery: an adjunct to training in obstetrics and gynecology. | a resident in obstetrics and gynecology obtains adequate experience in basic gynecologic surgery during a 3-year training program, but the technical skill acquired in surgery of the bowel, bladder, ureters, and pelvic vessels is limited by the clinical material available. a program is described in which 3 animal models (dog, rabbit, cat) were used to expand the surgical skills of gynecology residents. the increased surgical competence and professional stimulation provided the residents by this p ... | 1980 | 7422178 |
| coyotes and canine heartworm in california. | adult dirofilaria immitis were found in the hearts of 43 of 115 coyotes (canis latrans) trapped within a 50 km radius of the el dorado county seat. of mature coyotes, 45% were positive, with worm numbers averaging 9.0 in females and 16.2 in males. d. immitis microfilariae occurred in the peripheral blood and in lung smears. microfilariae of dipetalonema reconditum were present in 14 of the coyotes examined (12%). several coyotes showed enlarged hearts with gross pathological changes. | 1980 | 7431518 |
| emergency thoracotomy: comparison of medical student, resident, and faculty performances on written, computer, and animal-model assessments. | in clinical practice, thoracotomy and other critical emergency procedures are rarely required. consequently, medical students and residents have difficulty acquiring procedural competency in these critical procedures. the authors developed objective written, computer, and animal-model assessments of thoracotomy procedural competency to permit comparison of the reliability and validity of these three procedural assessment modalities. | 1994 | 7614285 |
| processed meats and risk of childhood leukemia (california, usa). | the relation between the intake of certain food items thought to be precursors or inhibitors of n-nitroso compounds (noc) and risk of leukemia was investigated in a case-control study among children from birth to age 10 years in los angeles county, california (united states). cases were ascertained through a population-based tumor registry from 1980 to 1987. controls were drawn from friends and by random-digit dialing. interviews were obtained from 232 cases and 232 controls. food items of princ ... | 1994 | 8167267 |
| imported echinococcosis in southern california. | a retrospective chart review conducted at two teaching hospitals in los angeles county identified 28 patients with infection due to echinococcus granulosus diagnosed by positive echinococcal serology and/or tissue biopsy between january 1981 and december 1990. of these patients, 25 (89%) were foreign born and 19 (68%) were immigrants from the middle east or central asia. only 12 of 22 immigrants questioned about epidemiologic risk factors described a history of rural residence or direct exposure ... | 1995 | 8561274 |
| ecology of jamestown canyon virus (bunyaviridae: california serogroup) in coastal california. | this paper reports the first isolation of jamestown canyon (jc) virus from coastal california and the results of tests for antibody to jc virus in mammals living in coastal california. the virus isolation was made from a pool of 50 aedes dorsalis females collected as adults from morro bay, san luis obispo county, california. the virus isolate was identified by two-way plaque reduction-serum dilution neutralization tests done in vero cell cultures. sera from the mammals were tested for antibody t ... | 1996 | 8780458 |