World Health Organization & WHO Expert Committee on the Control of Schistosomiasis. (1993). The Control of schistosomiasis: Second report of the WHO Expert Committee. World Health Organization.

World Health Organization and WHO Expert Committee on the Control of Schistosomiasis. The Control of Schistosomiasis: Second Report of the WHO Expert Committee. Geneva: World Health Organization, 1993.

World Health Organization and WHO Expert Committee on the Control of Schistosomiasis. The Control of Schistosomiasis: Second Report of the WHO Expert Committee. World Health Organization, 1993.