Ward, Howard L., 1921- <br/><br/>
Manual of clinical periodontics / 
Howard L. Ward 
 - [Place of publication not identifed] :  [publisher not identified],  c1978 
<br/><br/> Manual of clinical periodontics, Manual 
<br/><br/><label>ISBN: </label>801653436 
<br/><br/><label>LC Class. No.: </label>RK 361 .W3 1978