Weeks, Stephen M <br/><br/>
Root tips.  [electronic resource] 

 -  Journal of the American Dental Association (1939)  Jul 2002 
 - 814 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0002-8177 
<br/><br/><label>Standard No.: </label>10.14219/jada.archive.2002.0287  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dental Instruments--adverse effects<br/>Foreign Bodies<br/>Humans<br/>Root Canal Preparation--instrumentation<br/>Tooth Apex--injuries