Volchansky, A <br/><br/>
Letters to the Editor.  [electronic resource] 

 -  Journal of periodontology  Mar 1993 
 - 240-241 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>1943-3670 
<br/><br/><label>Standard No.: </label>10.1902/jop.1993.64.3.240  doi