Wacker, Julie, Humpl, Tilman, Berger, Rolf, M. F., Ivy, Dunbar, Bowers, David, Bonnet, Damien and Beghetti, Maurice (2024) Application of a modified clinical classification for pulmonary arterial hypertension associated with congenital heart disease in children: emphasis on atrial septal defects and transposition of the great arteries. An analysis from the TOPP registry. Frontiers in Cardiovascular Medicine, 11. ISSN 2297-055X