RT Journal Article SR Electronic T1 Idiopathic orthostatic hypotension JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 137 OP 141 VO 36 IS 3 A1 Shafer, William H. A1 Frohlich, Edward D. A1 Wallace, Thomas W. A1 Weatherhead, Arthur D. YR 1969 UL http://www.ccjm.org/content/36/3/137.abstract AB