Sastroasmoro, Sudigdo, Bambang Madiyono, Ismet Oesman, Sukman Putra, and Eva Soelaiman. “Transumbilical Balloon Atrial Septostomy With Echocardiographic Monitoring”. Paediatrica Indonesiana 28, no. 7-8 (July 26, 2019): 160-6. Accessed April 19, 2024. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/2252.