Letter: Echocardiogram in d-transposition of great vessels.
D001021:Aortic Valve / Q000503:physiopathology; D004452:Echocardiography; D006801:Humans; D007231:Infant, Newborn; D011664:Pulmonary Valve / Q000503:physiopathology; D014188:Transposition of Great Vessels / Q000175:diagnosis*