TY  - BOOK
AU  - Ratan,Vidya
TI  - Handbook of preventive and social medicine: community medicine 
SN  - 8171793800
U1  - 615.1 22
PY  - 1970///
CY  - New Delhi
PB  - Jaypee brothers
KW  - Medicine
N1  - Includes Index
ER  -