Puteri, A. A. A., Y. H. Oktaviono, and A. Prasmono. “Correlation Between Age and Defect Size With Increased Pulmonary Arterial Pressure in Adult Atrial Septal Defect (ASD) Patients at Cardiology and Vascular Medicine Department Dr. Seotomo Public Hospital Surabaya 2019-2021”. Cardiovascular and Cardiometabolic Journal (CCJ), vol. 3, no. 1, Mar. 2022, pp. 15-21, doi:10.20473/ccj.v3i1.2022.15-21.