Record of Helisoma snails from the field in Egypt.
D000818:Animals; D004199:Disease Vectors; D004463:Ecology; D004534:Egypt; D012547:Schistosoma / Q000254:growth & development; D012552:Schistosomiasis / Q000635:transmission; D012908:Snails / Q000254:growth & development* / Q000469:parasitology