Gultom, Yosafat Hasiholan Marthin, and Heny Martini. 2026. “Pulmonary Hypertension After Atrial Septal Defect (ASD) Closure: Clinical Review And Future Challenges”. Jurnal Klinik Dan Riset Kesehatan 6 (1): 29-37. https://doi.org/10.11594/jk-risk.06.1.5.