RT Journal Article SR Electronic T1 Vitamin D metabolites and multiple sclerosis JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 121 OP 121 DO 10.1136/jnnp.2010.231308 VO 82 IS 2 A1 Niino, Masaaki YR 2011 UL http://jnnp.bmj.com/content/82/2/121.abstract AB