Sastroasmoro, S., Madiyono, B., Oesman, I., Putra, S. and Soelaiman, E. (2019) ‚ÄúTransumbilical Balloon Atrial Septostomy with Echocardiographic Monitoring‚ÄĚ, Paediatrica Indonesiana, 28(7-8), pp. 160-6. doi: 10.14238/pi28.7-8.1988.160-6.