TY  - BOOK
AU  - Gupta, M. C.
AU  - Mahajan, B. K.
TI  - Textbook of Preventive and Social Medicine
SN  - 9788180610707
U1  - 610 
PY  - 2003///
CY  - New Delhi
PB  - Jaypee Brothers Medical Publishers (P) Ltd.
KW  - Medicine
ER  -