RT Journal Article SR Electronic T1 Dot-to-dot JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 325 OP 329 DO 10.1136/jnnp.2008.159525 VO 8 IS 5 A1 Thomas, R H A1 Hughes, T A T YR 2008 UL http://pn.bmj.com/content/8/5/325.abstract AB