O'Rourke, R A <br/><br/>
Value of Doppler echocardiography for quantifying valvular stenosis or regurgitation.  [electronic resource] 

 -  Circulation  Aug 1988 
 - 483-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0009-7322 
<br/><br/><label>Standard No.: </label>10.1161/01.cir.78.2.483  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aortic Valve Insufficiency--physiopathology<br/>Aortic Valve Stenosis--physiopathology<br/>Cardiac Catheterization<br/>Echocardiography<br/>Evaluation Studies as Topic<br/>Heart Valve Diseases--physiopathology<br/>Humans<br/>Mitral Valve Insufficiency--physiopathology<br/>Mitral Valve Stenosis--physiopathology