RT Journal Article SR Electronic T1 Sudden sensorineural hearing loss JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E437 OP E438 DO 10.1503/cmaj.161191 VO 189 IS 11 A1 Chin, Christopher Joseph A1 Dorman, Kathryn YR 2017 UL http://www.cmaj.ca/content/189/11/E437.abstract AB