RT Journal Article SR Electronic T1 Carphology by A Fo Ben JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 138 OP 138 DO 10.1136/practneurol-2013-000538 VO 13 IS 2 YR 2013 UL http://pn.bmj.com/content/13/2/138.abstract AB