| gastroenteritis outbreak at an industrial camp--british columbia. | | 1992 | 1291017 |
| epidemiology and pathogenicity of blastocystis hominis. | a prospective study was performed on a large outpatient population to evaluate the epidemiology and pathogenicity of blastocystis hominis. patients with stool specimens positive for b. hominis and negative for other bacterial and parasitic pathogens were sent a questionnaire and were requested to submit a follow-up specimen for ova-and-parasite examination. b. hominis was identified in 530 of 16,545 specimens (3.2%). there was a spectrum of clinical-pathological presentations in the 143 patients ... | 1990 | 2298869 |
| epidemiology and clinical features associated with blastocystis hominis infection. | a retrospective chart review was performed on 100 patients infected with blastocystis hominis (bh) and 50 randomly selected age and sex matched controls to examine the clinical and epidemiologic features associated with this organism. the finding of greater than 5 bh per oil immersion field (1,000 x) was significantly associated with acute presentation of symptoms but was not predictive of the presence of gastrointestinal symptoms. of patients infected with bh, 57.5% had recently travelled to th ... | 1987 | 3449317 |