RT Journal Article SR Electronic T1 Dextromethorphan abuse JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E631 OP E631 DO 10.1503/cmaj.131676 VO 186 IS 16 A1 Tony Antoniou A1 David N. Juurlink YR 2014 UL http://www.cmaj.ca/content/186/16/E631.abstract AB