RT Journal Article SR Electronic T1 Cardiac risk stratification before noncardiac surgery JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP S18 OP S24 VO 73 IS 3 suppl 1 A1 Amir K. Jaffer A1 Franklin A. Michota, Jr. A1 Steven L. Cohn YR 2006 UL http://www.ccjm.org/content/73/3_suppl_1/S18.abstract AB