Leatham, Aubrey. <br/><br/>
Some more heart sounds  [sound recording]. 

 - Chelmsford :  Royal College of Medical Practitioners, Medical Recording Service,  1961. 
 - Its Medical Recording Service ;  61-19 .
 - Royal College of General Practitioners. Medical Recording Service ;  Royal College of General Practitioners. Medical Recording Service ;  61-19. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heart -- Sounds.--Heart -- Sounds.