disappearance of diphtheria. | | 1973 | 4632127 |
diphtheria bacilli isolated in alberta in 1967 from the throat, nose, ears and skin. | | 1969 | 4980469 |
biofilms on indwelling vascular catheters. | some bacteria have a natural tendency to adhere to available surfaces and to form biofilms. biofilms have been demonstrated on right heart flow-directed catheters, endocardial pacemaker leads, urinary catheters, and other medical devices. in this study, we examined arterial and central venous catheters that had been in place in icu patients between 1 and 14 days for the presence of bacterial biofilms by scanning electron microscopy, transmission electron microscopy, and a special scraping/sonica ... | 1992 | 1572192 |
the incidence of caseous lymphadenitis in alberta sheep and assessment of impact by vaccination with commercial and experimental vaccines. | in alberta, caseous lymphadenitis (cla) is one of the leading causes of lamb and mutton carcass condemnation. in this study, serologic results confirmed a high (50-94%) incidence of exposure to corynebacterium pseudotuberculosis, the causative agent of cla, in mature, unvaccinated sheep in southern alberta. to assess the efficacy and impact of vaccination with 2 commercial (glanvac-6 and case-vac) and 1 experimental (wc+ mdp-gdp) cla vaccines, a series of 3 field trials in 3249 ewes and lambs wa ... | 1998 | 9442938 |