TY  - BOOK
AU  - GUPTA, M.C.
AU  - MAHAJAN, B.K.
TI  - TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE
SN  - 81 7179 414 9
U1  - 613 
PY  - 1995///
CY  - New Delhi
PB  - Jaypee Brothers Medical Publishers, New Delhi 
ER  -