Human viral and rickettsial vaccines : report of a WHO Scientific Group [meeting held in Geneva from 4 to 9 October 1965]. 

 - 79p. 
 - (WHO technical report series ; 325) .
<br/><br/><label>ISBN: </label>92-4-120325-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Viral vaccines<br/>Rickettsial vaccines