Exercise Program Improves Functional Capacity and Quality of Life in Uncorrected Atrial Septal Defect-Associated Pulmonary Arterial Hypertension: A Randomized-Control Pilot Study oleh Annis Rakhmawati, Indera Noor Achmad, Anggoro Budi Hartopo, Dyah Wulan Anggrahini, Irsad Andi Arso, Noriaki Emoto, Lucia Kris Dinarti