RT Journal Article SR Electronic T1 Isotopic assessment of regional abnormalities of myocardial perfusion JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 222 OP 224 VO 47 IS 3 A1 Cook, Sebastian A. YR 1980 UL http://www.ccjm.org/content/47/3/222.abstract AB