Kolettis, T M Spontaneous reversion of long-lasting chronic atrial fibrillation to sinus rhythm. [electronic resource] - International journal of cardiology Feb 1993 - 186-8 p. digital Publication Type: Case Reports; Journal Article ISSN: 0167-5273 Standard No.: 10.1016/0167-5273(93)90179-k doi Subjects--Topical Terms: AgedAtrial Fibrillation--etiologyBradycardia--etiologyChronic DiseaseElectrocardiographyFemaleHeart Conduction System--physiopathologyHumansRheumatic Heart Disease--complications