TY  - BOOK
TI  - Immunization handbook: national expanded programme on immunization, Sri Lanka - 2002
U1  - 614.47 
PY  - 2002///
CY  - Colombo
PB  - Epidemiological Unit, Ministry of Health, Nutrition  and Welfare
KW  - IMMUNIZATION
KW  - Immunization-handbook
ER  -