Quality management for chemical safety testing / 
"Published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organisation, and the World Health Organization" 
 - Geneva :  World Health Organization,  1992 
 - 112 p. ;  21 cm. 
 - Environmental health criteria  v. 141 .
<br/><br/><label>ISBN: </label>9241571411 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hazardous substances--Toxicity<br/>Laboratories--Standards<br/>Quality control<br/>Toxicology--methods