Multipurpose serological surveys and WHO serum reference banks : report of a WHO scientific group [meeting held in Geneva from 18 to 24 November 1969] . 

 - 95p. 
 - (WHO technical report series ; 454) .
<br/><br/><label>ISBN: </label>92-4-120454-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Serology<br/>Blood specimen collection<br/>Communicable disease control