WHO Expert Committee on Biological Standardization [meeting held in Geneva from 25 to 30 September 1967] : twentieth report. 

 - 100p. 
 - (WHO technical report series ; 384) .
<br/><br/><label>ISBN: </label>92-4-120384-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological products--Standards<br/>Antibiotics--Standards<br/>Immune sera