TY  - BOOK
AU  -  World Health Organization 
TI  - Quality management for chemical safety testing
SN  - 92 4 157141 1
U1  - SERIALS 
PY  - 1992///
CY  - Geneva
PB  - W H O
KW  - Toxicology -Methods
KW  - Quality Control
KW  - Labroratories -Standards
N2  -  Labroratories -Standards, Quality Control, Toxicology -Methods
ER  -