Furlan, Andrea D New Canadian guidance on opioid use for chronic pain: necessary but not sufficient. [electronic resource] - CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 05 2017 - E650-E651 p. digital Publication Type: Journal Article; Comment ISSN: 1488-2329 Standard No.: 10.1503/cmaj.170431 doi Subjects--Topical Terms: Analgesics, OpioidCanadaChronic DiseaseChronic PainHumansOpioid-Related DisordersPain