| [adult culicidae mosquitoes in the irrigated culture of rice in the vale do ribeira, state of são paulo, brazil]. | a collection of adult culicidae was carried out during the period from may 1984 to september 1985, in a rice field in the polder of the experimental station of pariquera-açú, in the ribeira valley (s. paulo state, brazil). cdc miniature traps, supplemented with dry ice, were used. a total of 2,686 mosquitoes were collected. the most frequent were the coquillettidia and mansonia genera (nearly 55% of the specimens caught). aedes scapularis, as an isolated species, contributed with near by 11% of ... | 1989 | 2576570 |
| comparison of selenium status between japanese living in tokyo and japanese brazilians in são paulo, brazil. | selenium (se) concentrations were determined in human serum, rice and wheat flour sampled in the city of são paulo, brazil, and compared with those sampled in tokyo. japan. serum levels of se were significantly lower in japanese brazilians than japanese living in tokyo. the samples of rice consumed by japanese brazilians in são paulo contained 22.7 ng se/g on average, which was about half the selenium level in rice consumed in tokyo. rice commonly consumed in são paulo might be one of the factor ... | 2001 | 11708308 |
| lifestyle factors associated with atrophic gastritis among helicobacter pylori-seropositive japanese-brazilians in são paulo. | studies of lifestyle factors related to gastric atrophy development in helicobacter pylori-infected individuals are limited. the present cross-sectional study aimed to examine the associations between lifestyle factors and serum pepsinogens (pgs) among anti- h. pylori antibody-seropositive japanese in brazil, where gastric cancer mortality was reported to be as high as in japanese in japan, and seropositive individuals were still frequently detected. | 2003 | 14663638 |
| anopheles albitarsis s.l. (diptera: culicidae) survivorship and density in a rice irrigation area of the state of são paulo, brazil. | collections of anopheles albitarsis arribalzaga s.l. were conducted from may 1996 to june 2000 to estimate the human biting rate, and mark-release-recapture experiments were carried out to estimate the daily survival probability. the density of an. albitarsis females showed a marked seasonal variation, with peaks as high as 629 individuals per human per night in the wet season. the low daily survival probability of 0.61 is an important factor limiting the vectorial capacity of an. albitarsis s.l ... | 2004 | 15535635 |
| [dietary factors and oral cancer: a case-control study in greater metropolitan são paulo, brazil]. | dietary factors associated with oral cancer were investigated in a case-control hospital-based study in the city of são paulo, brazil, from 1998 to 2002. a total of 835 subjects, 366 with histologically confirmed incident cases of oral-cavity or pharyngeal cancer and 469 controls participated in the study. dietary data were collected with a food frequency questionnaire (ffq). odds ratios (or) and 95% confidence intervals (95%ci) were obtained from unconditional logistic regression, adjusted for ... | 2007 | 17334570 |
| [fluoride concentrations in typical brazilian foods and in infant foods]. | to determine fluoride concentrations in the typical brazilian meal (rice with beans) and in processed infant foods, and to estimate their contribution towards dental fluorosis. | 2007 | 17589752 |