Mills, P G <br/><br/>
Echophonocardiographic studies of the contribution of the atrioventricular valves to the first heart sound.  [electronic resource] 

 -  Circulation  Dec 1976 
 - 944-51 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0009-7322 
<br/><br/><label>Standard No.: </label>10.1161/01.cir.54.6.944  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aortic Valve--physiology<br/>Echocardiography--methods<br/>Heart Auscultation<br/>Heart Sounds<br/>Heart Valves--physiology<br/>Humans<br/>Mitral Valve--physiology<br/>Movement<br/>Phonocardiography<br/>Tricuspid Valve--physiology