RT Journal Article SR Electronic T1 A 62-year-old man with an abnormal electrocardiogram JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 975 OP 976 VO 68 IS 12 A2 Marc Williams A1 Curtis M. Rimmerman YR 2001 UL http://www.ccjm.org/content/68/12/975.abstract AB