The Diagnostic Role of Speckle-Tracking Echocardiography–Derived Right Ventricular Longitudinal Strain in Determining the Severity of Rheumatic Mitral Stenosis - Abtahi, Firoozeh; Esfandiari, Haleh; Arzhangzadeh, Alireza; Nozhat, Salma; Narimani-Javid, Roozbeh (The Research in Heart Yield and Translational Medicine (RHYTHM), 2025)