RT Journal Article SR Electronic T1 Coronary arteriography in acute myocardial infarction JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 198 OP 199 VO 47 IS 3 A1 Sousa, J. Eduardo M. R. YR 1980 UL http://www.ccjm.org/content/47/3/198.abstract AB