TY  - BOOK
AU  - Last,John M.
TI  - Public health and human ecology
SN  - 0838581277
AV  - RA425 .L37 1997
U1  - 362.1 
PY  - 1997///
CY  - 
PB  - Appleton & Lange
KW  - Public health
KW  - Human ecology
ER  -