RT Journal Article SR Electronic T1 Wall-eyed bilateral internuclear ophthalmoplegia associated with etanercept JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP practneurol-2021-003064 DO 10.1136/practneurol-2021-003064 A1 Tychicus Chen YR 2021 UL http://pn.bmj.com/content/early/2021/08/04/practneurol-2021-003064.abstract AB