RT Journal Article SR Electronic T1 Public health benefits from legalizing cannabis: both sides of the coin JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 63 OP 63 DO 10.1503/cmaj.1150076 VO 188 IS 1 A1 Ian Mitchell YR 2016 UL http://www.cmaj.ca/content/188/1/63.2.abstract