World Health Organization  <br/><br/>
Oral health surveys  basic methods 

 - 4th 
 - Geneva  WHO  1997 
 - 66p.  25cm. 
 -   .
<br/><br/>  
<br/><br/>  Dental Health Surveys 
<br/><br/><label>ISBN: </label>9241544937 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dental Health Surveys
<br/><br/><label>Dewey Class. No.: </label>WU30  / WHO