TY  - BOOK
AU  - Gupta, Piyush
AU  - Ghai, O. P.
TI  - Textbook of Preventive and Social Medicine
SN  - 9788123914572
U1  - 610 
PY  - 2007///
CY  - Delhi
PB  - C. B. S. Publishers & Distributors
KW  - Medicine
ER  -