RT Journal Article SR Electronic T1 A 67-year old man with facial droop, ataxia and vertigo JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1048 OP E1048 DO 10.1503/cmaj.202002 VO 192 IS 36 YR 2020 UL http://www.cmaj.ca/content/192/36/E1048.abstract