RT Journal Article SR Electronic T1 Basic mechanisms of atrial fibrillation JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP S2 OP S5 VO 70 IS 7 suppl 3 A1 Van Wagoner, David R. YR 2003 UL http://www.ccjm.org/content/70/7_suppl_3/S2.abstract AB