Urinary schistosomiasis in schoolchildren.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006266:Health Education; D006417:Hematuria / Q000209:etiology; D006801:Humans; D008297:Male; D009549:Nigeria; D010270:Parasite Egg Count; D012553:Schistosomiasis haematobia / Q000150:complications / Q000453:epidemiology* / Q000635:transmission; D014871:Water Microbiology