echocardiography: hypertrophy of papillary muscles of left atrioventricular valve
echocardiography: hypertrophy of papillary muscles of left atrioventricular valve
echocardiography: hypertrophy of papillary muscles of left atrioventricular valve
echocardiography: hypertrophy of papillary muscles of left atrioventricular valve