Predictive Role of Atrial Strain, Aortic Stiffness, and Muscle-Related Factors for Maximal and Submaximal Exercise Capacity in Fontan Patients. - Tekerlek, Haluk; Aykan, Hayrettin Hakan; Vardar-Yagli, Naciye; Selcuk, Sinem Nur; Basol-Goksuluk, Merve; Karagoz, Tevfik; Saglam, Melda (Pediatric Cardiology, 2025)