RT Journal Article SR Electronic T1 Editor's choice JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 63 OP 63 DO 10.1136/jnnp.2010.210203 VO 10 IS 2 A1 Charles Warlow YR 2010 UL http://pn.bmj.com/content/10/2/63.abstract AB