RT Journal Article SR Electronic T1 R-Wave Voltage Changes in Relation to Arterial Pressure in Hypertensive Patients JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 46 OP 50 VO 28 IS 1 A1 Georgopoulos, Athan J. A1 Vlastaris, Philip A. A1 Proudfit, William L. YR 1961 UL http://www.ccjm.org/content/28/1/46.abstract AB