Alternative systems of oral care delivery 

 - Geneva:  World Health Organization;  1987 
 - Varied pages 
 - WHO Technical report series 750 .
<br/><br/> Includes reference. 
<br/><br/><label>ISBN: </label>9241207507 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dentistry
<br/><br/><label>Dewey Class. No.: </label>617.6  / WOR