Biventricular responses to exercise and their relation to cardiorespiratory fitness in pediatric pulmonary hypertension. - Pieles GE; Dorobantu DM; Caterini JE; Cifra B; Reyes J; Roldan Ramos S; Hannon E; Williams CA; Humpl T; Mertens L; Wells GD; Friedberg MK (American journal of physiology. Heart and circulatory physiology, 2024)