RT Journal Article SR Electronic T1 Multiple sclerosis JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 118 OP 126 DO 10.1136/jnnp.2008.171132 VO 9 IS 2 A1 Alasdair Coles YR 2009 UL http://pn.bmj.com/content/9/2/118.abstract AB