Control of the snail hosts of schistosomiasis by environmental manipulation: a field and laboratory appraisal in the Ibadan area, Nigeria.
D000818:Animals; D004199:Disease Vectors; D004463:Ecology; D004777:Environment; D005618:Fresh Water; D006801:Humans; D009549:Nigeria; D010944:Plants; D012552:Schistosomiasis / Q000517:prevention & control*; D012908:Snails / Q000469:parasitology*