RT Journal Article SR Electronic T1 Contemporary Considerations in Exercise ECG Testing JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 231 OP 232 VO 59 IS 3 A2 William S. Wilke A1 Fredric J. Pashkow YR 1992 UL http://www.ccjm.org/content/59/3/231.abstract AB