TY  - BOOK
AU  - Last , J. M.   .
AU  - Wallance , R. B.  .
TI  - Public Health and Preventive Medicine / 
U1  - 614 
PY  - 1992///
CY  -  : 
PB  - Prentice Hall Int.  , 
KW  - Medical Science
KW  - Preventive and Social Medicine
ER  -