| [bacterial origin of acute diarrhea in merida, venezuela]. | 464 stool specimens from children under 5 with acute diarrheal disease and other 149 specimens from the control group were studied from july, 1993, to may, 1995. the specimens were collected at the pediatric emergency department of the autonomous institute of the teaching hospital of los andes, mérida, venezuela. the presence of the internationally recommended bacterial, parasitary and viral agents was investigated. the commonest bacteria isolated as unique pathogens were: shigella (42.85%), shi ... | 1999 | 10887550 |
| [factors of virulence associated with enteropathogenicity in strains of aeromonas spp. isolated from children with diarrhea in mérida, venezuela]. | the feces of 397 patients with acute diarrheal disease (add) and of other 121 patients without diarrea (control group) were studied in the state of mérida, venezuela, from june 1993 to december 1994. the genus aeromonas was identified in patients with add in 11.83% and in 5.78% of the patients from the control group. on studying the virulence factors described for aeromonas (enterotoxin, cytotoxin, hemaglutinins, cellular hydrofibrosity, and hemolytic activity) in the isolated strains, it was de ... | 2005 | 17966577 |