The taxonomy and distribution of the planorbidae in relation to the transmission of schistosomiasis.
D000349:Africa; D004812:Epidemiologic Methods; D006801:Humans; D012547:Schistosoma / Q000145:classification; D012552:Schistosomiasis / Q000453:epidemiology* / Q000517:prevention & control; D012908:Snails / Q000145:classification*; D014876:Water Pollution