TY  - BOOK
AU  - Roy, Rabindra Nath
AU  - Indranil, Saha
TI  - Mahajan & Gupta Textbook of Preventive & Social Medicine 
SN  - 9789350901878
U1  - 614.44 
PY  - 2013///
CY  - New Delhi
PB  - Jaypee Brothers 
KW  -  Social Medicine
N1  - Include Index
ER  -