RT Journal Article SR Electronic T1 Cannabinoid hyperemesis syndrome JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 355 OP 355 DO 10.1503/cmaj.140154 VO 187 IS 5 A1 Chelsey King A1 Andrew Holmes YR 2015 UL http://www.cmaj.ca/content/187/5/355.abstract