BILHARZIA snail vector identification and classification: Equatorial and South Africa; report of a study-group.
D000818:Animals; D006372:Helix, Snails; D012547:Schistosoma; D012552:Schistosomiasis / Q000635:transmission*; D012908:Snails; D013019:South Africa
SCHISTOSOMIASIS/transmission; SNAILS