Niwa, T <br/><br/>
Preventive dentistry in Japan.  [electronic resource] 

 -  Dentistry in Japan  Oct 1969 
 - 28-34 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0070-3737 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Preventive Dentistry