| studies on schistosomiasis in taiz province, yemen arab republic. | infection with both urinary and intestinal schistosomiasis is prevalent with patchy distribution in taiz province, southwest yemen arab republic. schistosoma haematobium with a prevalence as high as 90% was found in the western, southern, and northern parts of the province. among school children the overall prevalence was 37%. infection rates did not differ significantly among various age and sex groups. three species of bulinus--b. beccarii, b. truncatus, and b. wrighti--have been found in the ... | 1983 | 6625057 |