title: [Study of operative methods in mitral stenosis significance of atrial fibrillation in relationship to postoperative results].
mesh_terms: D000293:Adolescent; D000328:Adult; D001281:Atrial Fibrillation / Q000209:etiology*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008946:Mitral Valve Stenosis / Q000601:surgery*; D011379:Prognosis