Shah, R., A. Upadhayaya, L. Tibrewala, P. Regmi, K. Acharya, and H. Khanal. “Pattern And Prevalence Of Rheumatic Heart Disease By Echocardiographic Evaluation”. Nepalese Heart Journal, vol. 3, no. 3, Dec. 2004, pp. 45-46, doi:10.3126/njh.v3i3.26120.