JJournal of the American College of Cardiology3/27/202626-A-18529-ACC FONTAN FAILURE PHENOTYPES: HEMODYNAMIC UNDERPINNINGS AT REST AND DURING EXERCISERawan Amir·William R. Miranda·Alexander C. Egbe·Heidi M. Connolly·Yogesh N.V. ReddyRead at Journal of the American College of CardiologyTagsHemoglobin structure and functionCell Biology