RT Journal Article SR Electronic T1 In reply: The maze procedure for refractory atrial fibrillation JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 160 OP 160 VO 61 IS 2 A1 Mccarthy, Patrick M. YR 1994 UL http://www.ccjm.org/content/61/2/160.abstract AB