Images in cardiovascular medicine: quadricuspid aortic valve.
Feliciano
E
E
Department of Medicine, Manhattan Veterans Affairs Medical Center, New York, NY, USA.
Steinberg
E
E
Kronzon
I
I
D000368:Aged; D001021:Aortic Valve / Q000002:abnormalities*; D017548:Echocardiography, Transesophageal; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging; D006801:Humans