Madiyono, B., S. Rusdi, I. N. Oesman, S. Sastroasmoro, S. T. Putra, and N. Advani. ‚ÄúTreadmill Test in Patients With Rheumatic Mitral Regurgitation‚ÄĚ. Medical Journal of Indonesia, Vol. 4, no. 4, Oct. 1995, pp. 247-53, doi:10.13181/mji.v4i4.924.