Akram, Areeba, et al. “Study of Rheumatic Mitral Valve Stenosis Using Echocardiography: Rheumatic Mitral Valve Stenosis Using Echocardiography”. Pakistan BioMedical Journal, vol. 8, no. 10, Oct. 2025, pp. 15-20, https://doi.org/10.54393/pbmj.v8i10.1301.