Sastroasmoro S, Madiyono B, Oesman I, Putra S, Soelaiman E. Transumbilical Balloon Atrial Septostomy with Echocardiographic Monitoring. PI [Internet]. 26Jul.2019 [cited 23Dec.2024];28(7-8):160-. Available from: https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/2252