Morbidity statistics : twelfth report of the WHO Expert Committee on Health Statistics [meeting held in Geneva from 7 to 13 November 1967]. 

 - 29p. 
 - (WHO technical report series ; 389) .
<br/><br/><label>ISBN: </label>92-4-120389-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Morbidity<br/>Data collection