EPA toxicology handbook 
U.S. Environmental Protection Agency 
 - Maryland  Government Institutes  1986 
<br/><br/><label>ISBN: </label>0-86587-142-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Toxicología
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Estados Unidos
<br/><br/><label>Universal Decimal Class. No.: </label>615.9 (752) (047)