RT Journal Article SR Electronic T1 Carphology by A Fo Ben JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 252 OP 252 DO 10.1136/jnnp.2009.183350 VO 9 IS 4 YR 2009 UL http://pn.bmj.com/content/9/4/252.abstract AB