TY  - BOOK
AU  - Park, J. E.
AU  - Park, K.
TI  - Textbook of preventive and social medicine
U1  - 613 
PY  - 1976///
CY  - India
PB  - Shri banarsidas bhanot, M. V.
KW  - Medicine and health
KW  - Preventive health services; Social medicine
ER  -