TY  - BOOK
AU  - Park , J.  E. .
TI  - Text Book of Preventive and Social Medicine / 
U1  - 614 
PY  - 1987///
CY  -  : 
PB  - Banarasidas Bhanot  , 
KW  - Preventive and Social Medicine
KW  - Medical Science
ER  -