Bilharzia and its progress in South Africa.
D006801:Humans; D008975:Molluscacides; D012547:Schistosoma / Q000302:isolation & purification; D012552:Schistosomiasis / Q000453:epidemiology* / Q000517:prevention & control; D012908:Snails; D013019:South Africa; D014871:Water Microbiology; D014881:Water Supply
D008975:Molluscacides