RT Journal Article SR Electronic T1 Pitfalls in the angiographic diagnosis of coronary artery disease JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 19 OP 20 VO 45 IS 1 A1 Shirey, Earl K. YR 1978 UL http://www.ccjm.org/content/45/1/19.abstract AB