Control of bilharziasis by rural management.
D002648:Child; D002675:Child, Preschool; D006801:Humans; D012423:Rural Health; D012547:Schistosoma / Q000145:classification; D012552:Schistosomiasis / Q000453:epidemiology / Q000517:prevention & control*; D012908:Snails; D013019:South Africa; D014038:Toilet Facilities; D014876:Water Pollution