Sabiniewicz, D. R., Mahmood, D. A., & Khalil, D. H. (2019). PERSISTENCE OF PULMONARY HYPERTENSION AFTER PERCUTANEOUS ASD CLOSURE – THERAPEUTIC OPTION. Pakistan Armed Forces Medical Journal, 69(Suppl 1), S164-5. https://pafmj.org/PAFMJ/article/view/2828