RT Journal Article SR Electronic T1 Does a retrovirally encoded superantigen cause multiple sclerosis? JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 853 OP 855 DO 10.1136/jnnp.54.10.853 VO 54 IS 10 A1 P Rudge YR 1991 UL http://jnnp.bmj.com/content/54/10/853.abstract AB