Gehrig, <br/><br/>
Fundamentals of Periodontal Instrumentation and advance Instrumentions 6th  Textual Documents 

 - Philadelphia  Lippincott Williams & Wilkins  2008 
 - 637:  27.5*21. 
<br/><br/><label>ISBN: </label>978-0-7817-6992-1   
<br/><br/><label>Subjects--Index Terms: </label>Periodontology 
<br/><br/><label>Dewey Class. No.: </label>617.632  / GEH