Seminars in Neurology, Table of Contents Semin Neurol 1993; 13(4): 359-364DOI: 10.1055/s-2008-1041147 © 1993 by Thieme Medical Publishers, Inc.Parkinsonian SyndromesGeorge W. Paulson, Akiyo Aotsuka The Ohio State University, Department of Neurology, College of Medicine, Columbus, Ohio Recommend Article Abstract Buy Article Full Text