RT Journal Article SR Electronic T1 Progressive encephalomyelitis with rigidity associated with anti-amphiphysin antibodies JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 661 OP 662 DO 10.1136/jnnp.2003.010504 VO 75 IS 4 A1 A Ishii A1 A Hayashi A1 N Ohkoshi A1 S Matsuno A1 S Shoji YR 2004 UL http://jnnp.bmj.com/content/75/4/661.abstract AB