Stephen, K. W. <br/><br/>
Acute ulcerative gingivitis  [sound recording]. 

 - Chelmsford :  Royal College of General Practitioners, Medical Recording Service,  1967. 
 - Its Medical Recording Service ;  67/42 .
 - Royal College of General Practitioners. Medical Recording Service ;  Royal College of General Practitioners. Medical Recording Service ;  67-42. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cume -- Diseases.--Cume -- Diseases.