Gehrig, Jill S. Nield. <br/><br/>
Fundamentals of periodontal instrumentation :  advanced root instrumentation / 
Jill S. Nield Gehrig 
 - [Place of publication not identifed] :  [publisher not identified],  c2013 
<br/><br/> Fundamentals of periodontal instrumentation : advanced root instrumentation, Fundamentals 
<br/><br/><label>ISBN: </label>9781609133313 
<br/><br/><label>LC Class. No.: </label>RK 681 .N54 2013