TY  - BOOK
AU  - Seal, S.C. Ed.
TI  - Textbook of preventive and social medicine: for students,public health and social workers
U1  - 614.44 
PY  - 1971///
CY  - Calcutta
PB  - Allied Agency
KW  - Preventive Medicine
KW  - Medicine - Social
KW  - Public Health
ER  -