TY  - BOOK
ED  - WHO Seminar on Expansion of the Use of Immunization in Developing Countries( 1st : 1974 : Kumasi,Ghana )
ED  - 
TI  - Expansion of the use of immunization in developing countries: proceedings
U1  - 614.47(1724) 
PY  - 1975///
CY  - Geneva
PB  - W H O
KW  - Public health
ER  -