TY - JOUR T1 - Colleges set guidelines for marijuana JF - Canadian Medical Association Journal JO - CMAJ SP - E315 LP - E315 DO - 10.1503/cmaj.109-4803 VL - 186 IS - 9 AU - Brian Owens Y1 - 2014/06/10 UR - http://www.cmaj.ca/content/186/9/E315.abstract N2 - ER -