@book{8249,
	author = {WHO Scientific Group on Viral Respiratory Diseases (1979 : Geneva). and World Health Organization},
	title = {Viral respiratory diseases : report of a WHO scientific group [meeting held in Geneva from 2 to 6 April 1979].},
	publisher = {World Health Organization,},
	year = {1980.},
	series = {(WHO technical report series ; 642)},
	address = {Geneva : }
}