WHO Expert Committee on Biological Standardization [meeting held in Geneva from 24 to 30 April 1973] : twenty-fifth report. 

 - 66p. 
 - (WHO technical report series ; 530) .
<br/><br/><label>ISBN: </label>92-4-120530-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological products--Standards<br/>Pharmaceutical preparations--Standards