TY  - BOOK
AU  - Indian public health association
TI  - Indian journal of public health
T2  - 31-33
U1  - 614 
PY  - 1987///
PB  - Indian public health association
KW  - Health and Hygiene
KW  - Public health--India | Preventive medicine--India--IPHA
N1  - Public Health; India; Epidemiology; Preventive Medicine; Community Health
ER  -