TY - JOUR T1 - Opioid prescribing—a matter of ethics JF - Canadian Family Physician JO - Can Fam Physician SP - 531 LP - 532 VL - 57 IS - 5 AU - Barry N. Pakes Y1 - 2011/05/01 UR - http://www.cfp.ca/content/57/5/531.abstract N2 - ER -