TY  - BOOK
AU  - Bedi,Yash Pal
TI  - A handbook of preventive and social medicine / 
PY  - 1997///
CY  - Chandigarh : 
PB  - ANAND , 
KW  - Preventive medicine
KW  - Social medicine
N1  -  For medical and publication health students
ER  -