@book{7305,
	author = {WHO Expert Committee on Biological Standardization. Session (4th : 1950 : Geneva).},
	title = {Expert Committee on Biological Standardization : report on the fourth session, Geneva, 6-11 November 1950.},
	publisher = {World Health Organization,},
	year = {1951.},
	series = {(WHO technical report series ; 36).},
	address = {Geneva : }
}