TY  - GEN
AU  - Quadros, Ciro A. de.
AU  - Halsey, Neal A.
TI  - Recent advances in immunization : a bibliographic review
T2  - Scientific publication
SN  - 927511451X
PY  - 1983///
CY  - Washington,D.C. : 
PB  - Pan American Health Organization
KW  - Immunization
KW  - Developing Countries
KW  - Vaccination
ER  -