RT Journal Article SR Electronic T1 Central cause of positioning vertigo JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 492 OP 493 DO 10.1136/practneurol-2018-001987 VO 18 IS 6 A1 Jonathan Paul Donnelly A1 Andrew Martin Chancellor A1 Adam El-Dieb YR 2018 UL http://pn.bmj.com/content/18/6/492.abstract AB