RT Journal Article SR Electronic T1 Clinical Neuroimmunology JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 770 OP 770 DO 10.1136/jnnp.42.8.770-a VO 42 IS 8 A1 Ridley, Alan YR 1979 UL http://jnnp.bmj.com/content/42/8/770.2.abstract AB