RT Journal Article SR Electronic T1 Cannabis legalization: adhering to public health best practice JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1211 OP 1216 DO 10.1503/cmaj.150657 VO 187 IS 16 A1 Sheryl Spithoff A1 Brian Emerson A1 Andrea Spithoff YR 2015 UL http://www.cmaj.ca/content/187/16/1211.abstract