RT Journal Article SR Electronic T1 Pyramidal weakness JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP practneurol-2016-001584 DO 10.1136/practneurol-2016-001584 A1 Charles Mark Wiles YR 2017 UL http://pn.bmj.com/content/early/2017/01/23/practneurol-2016-001584.abstract AB