@book{7982,
	author = {WHO Scientific Group on Developments in Fertility Control (1968 : Geneva). and World Health Organization},
	title = {Developments in fertility control : report of a WHO Scientific Group [meeting held in Geneva from 11 to 15 November 1968].},
	publisher = {World Health Organization,},
	year = {1969.},
	series = {(WHO technical report series ; 424)},
	address = {Geneva : }
}