TY  - BOOK
AU  - Ratan, Vidya
TI  - Handbook of preventive and social medicine
U1  - 614.44 
PY  - 1986///
CY  - New Delhi
PB  - Jaypee Brothers
KW  - COMMUNITY MEDICINE
KW  - Community Medicine-Textbooks
KW  -  Social Medicine-Textbooks
ER  -