Environmental health criteria 144 :  principles for evaluating chemical effects on the aged population. 

 - Jeneva :  World Health Organization,  1993. 
 - 159 p.  ill.  14 cm. 
<br/><br/><label>ISBN: </label>9241571446 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged.
<br/><br/><label>National Library of Medicine Call No.: </label>WA 30 E 1993