First WHO Seminar on Expansion of the Use of Immunization in Developing Countries, Kumasi, Ghana, 12-19 November 1974
WHO Seminar on Expansion of the Use of Immunization in Developing Countries1st1974Kumasi.
Geneva W.H.O. [London] [H.M.S.O.]
1975
ISBN 92-4-170016-5
Vaccination
Communicable diseases.