World Health Organization  <br/><br/>
Principles for evaluating chemical effects on the aged population.   

 - 
 - Geneva  W H O  1993 
 - 159 p.  24 cm. 
 - IPCS :EHC 144   .
<br/><br/>  
<br/><br/>  Aging, Environmental Exposure 
<br/><br/><label>ISBN: </label>92 4 157144 6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Exposure<br/>Aging
<br/><br/><label>Dewey Class. No.: </label>SERIALS  / WHO