| enterotoxigenic bacteroides fragilis: epidemiologic studies of its role as a human diarrhoeal pathogen. | strains of bacteroides fragilis which produce enterotoxin(s) (etbf) have been associated with diarrhoeal diseases in young domestic animals and have also been isolated from humans with diarrhoea. we have determined epidemiologically that etbf are significantly associated with diarrhoea in humans. we studied apaches, primarily children, with diarrhoea attending an outpatient facility in whiteriver, arizona, from july 1986 through july, 1988. stool cultures for isolation of etbf and other diarrhoe ... | 1992 | 1619243 |