Color Doppler as a diagnostic tool in operable heart diseases: indications and limitations.
D004452:Echocardiography / Q000379:methods*; D006330:Heart Defects, Congenital / Q000175:diagnosis; D006331:Heart Diseases / Q000175:diagnosis*; D006349:Heart Valve Diseases / Q000175:diagnosis; D006350:Heart Valve Prosthesis; D006801:Humans