Report, 12th :  Morbidity statistics/ 
WHO Expert Committee on Health Statistics 
 - Geneva :  World Health Organization,  1968. 
 - 32p.:  ill. ;  24cm. 
 - World Health Organization Technical Report Series ;  no.389 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical statistics.<br/>Morbidity.
<br/><br/><label>Dewey Class. No.: </label>616.9