TY  - BOOK
AU  - Park , J. E.  .
TI  - Textbook Of Preventive and Social Medicne / 
U1  - 614 
PY  - 1991///
CY  - Bhanot  : 
PB  - M/s Banorsidas  , 
KW  - Medical Science
KW  - Preventive and Social Medicine
ER  -