TY  - BOOK
AU  - RATTAN VIDYA
TI  - HANDBOOK OF PREVENTIVE & SOCIAL MEDICINE 
SN  - NULL
U1  - 614 
PY  - 1990///
CY  - NULL
PB  - JAYPEE BROHTERS MEDICAL PUBLISHERS PVT. LTD.
KW  - PSM
ER  -