RT Journal Article SR Electronic T1 The Diagnostic Significance of an Increased Q-T Interval in the Electrocardiogram JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 12 OP 16 VO 8 IS 1 A1 Wofford, Charles P. A1 Ernstene, A. Carlton YR 1941 UL http://www.ccjm.org/content/8/1/12.abstract AB