FERREIRA, E G [Bilharziasis. The focus of Malanje (Angola). (Aid for the study of bilharziasis in Angola)]. [electronic resource] - Anais do Instituto de Medicina Tropical - 407-32 p. digital Publication Type: Journal Article ISSN: 0365-3307 Subjects--Topical Terms: AngolaHumansSchistosomiasis--epidemiology