TY  - BOOK
TI  - Environmental control and public health: Introduction 
SN  - 0749264276
AV  - RA652.2 .E5 2000.
PY  - 1992///
CY  - Walton
PB  - Open University
KW  - Epidemiology
KW  - Toxisity
N1  - includes indexes
ER  -