Nield- Gehrig, Jill S.. <br/><br/>
Fundamental of dental Hygine Instrumentation /   Textual Documents 

 - 1 /   . 
 - Philadelphia :   lea & Febiger ,   1988. 
 - 257 ;   24X17. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Index Terms: </label>Periodontology 
<br/><br/><label>Dewey Class. No.: </label>617.632  / NIE