RT Journal Article SR Electronic T1 In reply: Atrial fibrillation management: Issues of concern (April 2011) JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 720 OP 721 DO 10.3949/ccjm.78c.1102 VO 78 IS 11 A1 Callahan, Thomas A1 Baranowski, Brian YR 2011 UL http://www.ccjm.org/content/78/11/720.2.abstract AB