RT Journal Article SR Electronic T1 Active immunotherapy may delay disability in progressive MS JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 193 OP 193 DO 10.1136/jnnp-2016-314377 VO 88 IS 3 A1 Haghikia, Aiden A1 Gold, Ralf YR 2017 UL http://jnnp.bmj.com/content/88/3/193.abstract AB