@book{8281,
	author = {WHO Scientific Group on Treponemal Infections (1980 : Geneva). and World Health Organization},
	title = {Treponemal infections : report of a WHO scientific group [meeting held in Geneva from 6 to 12 October 1980].},
	publisher = {World Health Organization,},
	year = {1982.},
	series = {(WHO technical report series ; 674)},
	address = {Geneva : }
}