Bilharziasis survey in British Somaliland, Eritrea, Ethiopia, Somalia, the Sudan, and Yemen - AYAD, N (Bulletin of the World Health Organization, 1956)
Keywords: Africa, Eastern; Africa, Northern; Animals; Ecosystem; Eritrea; Ethiopia; Humans; Male; OldMedline; Sanitation; Schistosoma haematobium; Schistosomiasis - epidemiology; Snails; Somalia; Sudan; Yemen; Africa, Eastern; Africa, Northern; Eritrea; Sudan; Somalia; Ethiopia; Yemen; SCHISTOSOMIASIS/epidemiology