TY - JOUR T1 - Response to: “Some patients with chronic pain need low-dose opioid therapy for survival and quality of life” JF - Canadian Medical Association Journal JO - CMAJ SP - E627 LP - E627 DO - 10.1503/cmaj.69173 VL - 190 IS - 20 AU - Helene Bertrand Y1 - 2018/05/22 UR - http://www.cmaj.ca/content/190/20/E627.abstract N2 - ER -