Journal of the Neurological SciencesVolume 9, Issue 1, July–August 1969, Page 202World Federation of Neurology: InformationAuthor links open overlay panelShow moreShareCitehttps://doi.org/10.1016/0022-510X(69)90069-0Get rights and contentRecommended articlesReferences (0)Cited by (0)View full textCopyright © 1969 Published by Elsevier B.V. All rights reserved.