Prichard, John F. <br/><br/>
Advanced periodontal disease; 

 - 2d ed. 
 - Philadelphia,  Saunders,  1972 
 - xvi, 990 p.  illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Periodontics.
<br/><br/><label>LC Class. No.: </label>RK361  / .P74