title: The significance of atrial fibrillation in rheumatic mitral stenosis: an echocardiographic study.
mesh_terms: D001281:Atrial Fibrillation / Q000175:diagnosis*; D004452:Echocardiography; D005260:Female; D006801:Humans; D008297:Male; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D012214:Rheumatic Heart Disease / Q000175:diagnosis*