RT Journal Article SR Electronic T1 Atypical Pain in Angina Pectoris JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 113 OP 118 VO 9 IS 3 A1 Proudfit, W. L. A1 Ernstene, A. Carlton YR 1942 UL http://www.ccjm.org/content/9/3/113.abstract AB