TY  - BOOK
AU  - Gupta,M C.
AU  - Mahajan,B K  .
TI  - Textbook of preventive and social medicine (with CD) / 
SN  - 8180610705
U1  - 610 
PY  - 1991///
CY  - New Delhi : 
PB  - Jaypee Brothers , 
KW  - SOCIAL MEDICINE
N1  - Includes index
ER  -