RT Journal Article SR Electronic T1 Medical marijuana revisited JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1067 OP 1067 DO 10.1503/cmaj.113-2128 VO 185 IS 12 A1 Michael A. Dworkind YR 2013 UL http://www.cmaj.ca/content/185/12/1067.1.abstract AB