RT Journal Article SR Electronic T1 Improving Coronary Vein Graft Results JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 217 OP 218 VO 57 IS 3 A2 Wilke, William S. A1 Stewart, William J. YR 1990 UL http://www.ccjm.org/content/57/3/217.abstract AB