TY  - BOOK
AU  - Seal, S. C. (ed.)
TI  - Textbook of preventive and social medicine
U1  - 614.44 
PY  - 1971///
CY  - Calcutta
PB  - Allied Agency
KW  - Medicine
KW  - Public health -- Epidemiology
N1  - Gift; Public Health; Social Medicine; Epidemiology
ER  -