Madiyono, B., Sugiarno, I., Putra, S., Sastroasmoro, S., Karyomanggolo, W. and Pramulyo, H. (2017) “Diagnostic Value of Plain Chest Roentgenogram in Rheumatic Mitral Valvular Disease”, Paediatrica Indonesiana, 36(5-6), pp. 102-8. doi: 10.14238/pi36.5-6.1996.102-8.