TY - JOUR T1 - Opioid dependence JF - Canadian Family Physician JO - Can Fam Physician SP - 333 LP - 333 VL - 59 IS - 4 AU - Roger Ladouceur Y1 - 2013/04/01 UR - http://www.cfp.ca/content/59/4/333.abstract N2 - ER -