echocardiography: concentric regurgitation of prosthetic common atrioventricular valve
echocardiography: concentric regurgitation of prosthetic common atrioventricular valve
echocardiography: concentric regurgitation of prosthetic common atrioventricular valve (procedure)
echocardiography: concentric regurgitation of prosthetic common atrioventricular valve (procedure)