RT Journal Article SR Electronic T1 Carphology JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 348 OP 348 DO 10.1136/practneurol-2020-002692 VO 20 IS 4 A1 A Fo Ben YR 2020 UL http://pn.bmj.com/content/20/4/348.abstract AB