title: Non-invasive pulsed Doppler study of mitral stenosis and mitral regurgitation: preliminary study.
mesh_terms: D000328:Adult; D000368:Aged; D004301:Doppler Effect; D004452:Echocardiography / Q000295:instrumentation; D006439:Hemodynamics; D006801:Humans; D008875:Middle Aged; D008943:Mitral Valve / Q000503:physiopathology; D008944:Mitral Valve Insufficiency / Q000175:diagnosis* / Q000503:physiopathology; D008946:Mitral Valve Stenosis / Q000175:diagnosis* / Q000503:physiopathology; D012039:Regional Blood Flow