@book{7330,
	author = {Conference of Heads of Laboratories Producing Diphtheria and Pertussis Vaccines (1952 : Dubrovnik, Yugoslavia). and World Health Organization.},
	title = {Diphtheria and pertussis vaccination : report of a Conference of Heads of Laboratories Producing Diphtheria and Pertussis Vaccines, Dubrovnik, Yugoslavia, 13-18 October 1952.},
	publisher = {World Health Organization,},
	year = {1953.},
	series = {(WHO technical report series ; 61).},
	address = {Geneva : }
}