RT Journal Article SR Electronic T1 Twitchy about fasciculation JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 260 OP 261 DO 10.1136/practneurol-2019-002469 VO 20 IS 3 A1 Mark R Baker A1 Timothy L Williams YR 2020 UL http://pn.bmj.com/content/20/3/260.abstract AB