Keyes, P H <br/><br/>
Gross distortions.  [electronic resource] 

 -  The New York state dental journal   
 - 398-9 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0028-7571 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Periodontal Diseases--prevention & control