TY  - BOOK
AU  - Park, J. E.  .
TI  - Text Book of Preventive and Social Medicine / 
U1  - 614 
PY  - 1991///
CY  -  : 
PB  - M/s Banarsidas Banot , 
KW  - Medical Science
KW  - Preventive and Social Medicine
ER  -