Expert Committee on Biological Standardization [meeting held in Geneva from 22 to 27 September 1958] : twelfth report. 

 - 43p. 
 - (WHO technical report series ; 172) .
<br/><br/><label>ISBN: </label>0-92-4-12072-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological products--Standards<br/>Antibiotics--Standards<br/>Hormones--Standards