Affiliation: | 1. Department of Neurology, Reed Neureological Research Center, School of Medicine, University of California, Los Angeles, Calif. 90073 U.S.A.;2. Research Service, Veterans Administration, Brentwood Hospital, Los Angeles, Calif. 90073 U.S.A.;3. Department of Neurology, Reed Neurological Research Center, School of Medicine, University of California, Los Angeles Calif. 90024 U.S.A. |