RT Journal Article SR Electronic T1 Diagnosing concussion JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1601 OP 1602 DO 10.1503/cmaj.113-2150 VO 185 IS 18 A1 David J. Rhine YR 2013 UL http://www.cmaj.ca/content/185/18/1601.2.abstract AB