Ali, O E Observations on morbidity from schistosomiasis through a control program in middle Egypt (1977-1981). [electronic resource] - Journal of the Egyptian Society of Parasitology Dec 1984 - 441-54 p. digital Publication Type: Journal Article ISSN: 1110-0583 Subjects--Topical Terms: AdolescentAdultChildChild, PreschoolCross-Sectional StudiesEgyptHumansMiddle AgedMolluscacidesSchistosoma haematobium--drug effectsSchistosoma mansoni--drug effectsSchistosomiasis--epidemiologySchistosomicides--therapeutic use