RT Journal Article SR Electronic T1 Quantitative assessment of coronary artery lesions JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 133 OP 136 VO 47 IS 3 A1 Lichtlen, Paul R. A1 Rafflenbeul, W. YR 1980 UL http://www.ccjm.org/content/47/3/133.abstract AB