title: Physicians combat opioid crisis.
authors.affiliation: CMAJ.
authors.forename: Barbara
authors.initials: B
authors.lastname: Sibbald
mesh_terms: D000701:Analgesics, Opioid / Q000627:therapeutic use*; D002170:Canada / Q000453:epidemiology; D006801:Humans; D009293:Opioid-Related Disorders / Q000453:epidemiology* / Q000517:prevention & control*; D010818:Practice Patterns, Physicians'
chemical_list: D000701:Analgesics, Opioid