Syncope of unknown originthe role of electrophysiologic studiesDiscussionMCANULTY, JOHN H. M.D.Author informationDivision of Cardiology, Department of Medicine, The Oregon Health Sciences University, Portland, OR.Address for correspondence: John H. McAnulty, M.D., Division of Cardiology, The Oregon Health Sciences University, L-462, Portland, OR 97201.Circulation 75:p III-145, April 1987.Copyright © 1987 American Heart Association, Inc.
