@book{3123,
	author = {WHO Seminar on Expansion of the Use of Immunization in Developing Countries (1st : 1974 : Kumasi, Ghana) and World Health Organization.},
	title = {First WHO Seminar on Expansion of the Use of Immunization in Developing Countries, Kumasi, Ghana, 12-19 November 1974 .},
	publisher = {World Health Organization,},
	year = {1975.},
	series = {WHO offset publications ; no. 16},
	address = {Geneva : }
}