TY  - BOOK
AU  - RAVAT, D  .
TI  - PREVANTIVE SOCIAL MEDICINE  (NATIONAL SERIES) / 
SN  - 8187540567
U1  - 614 
PY  - 2000///
CY  - NULL : 
PB  - JAYPEE BROTHERS MEDICAL PUB. , 
KW  - PSM
N1  - RAV
ER  -