WHO Expert Committee on Biological Standardization [meeting held in Geneva from 22 to 28 September 1981] : thirty-second report. 

 - 180p. 
 - (WHO technical report series ; 673) .
<br/><br/><label>ISBN: </label>92-4-120673-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological products--Standards<br/>Reference standards