TY - JOUR T1 - Quebec doctors aim to fill marijuana knowledge gaps JF - Canadian Medical Association Journal JO - CMAJ SP - 657 LP - 657 DO - 10.1503/cmaj.109-4791 VL - 186 IS - 9 AU - Brian Owens Y1 - 2014/06/10 UR - http://www.cmaj.ca/content/186/9/657.abstract N2 - ER -