WORLD HEALTH ORGANIZATION <br/><br/>
ORAL HEALTH SURVEYS; BASIC METHODS 

 - 4 
 -  A.I.T.B.S.  1999 
 - 66p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PUBLIC HEALTH DENTISTRY
<br/><br/><label>Dewey Class. No.: </label>616.3107 WOR-ORA