TY - JOUR T1 - New medicinal marijuana rules ease onus on physicians JF - Canadian Medical Association Journal JO - CMAJ SP - 473 LP - 473-a DO - 10.1503/cmaj.050967 VL - 173 IS - 5 AU - Barbara Sibbald Y1 - 2005/08/30 UR - http://www.cmaj.ca/content/173/5/473.2.abstract ER -