echocardiography: papillary muscles of right atrioventricular valve with multiple muscle groups
echocardiography: papillary muscles of right atrioventricular valve with multiple muscle groups
echocardiography: papillary muscles of right atrioventricular valve with multiple muscle groups (procedure)
echocardiography: papillary muscles of right atrioventricular valve with multiple muscle groups (procedure)