Kuntartiwi, Dyahris, Piprim Yanuarso, and Sudigdo Sastroasmoro. “Sildenafil for Pulmonary Hypertension Due to Left-Toright Shunt After Corrective Procedure”. Paediatrica Indonesiana 55, no. 5 (September 1, 2015): 257-62. Accessed April 27, 2024. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/46.