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Research

Contributions of prescribed and non-prescribed opioids to opioid related deaths: population based cohort study in Ontario, Canada

BMJ 2018; 362 doi: https://doi.org/10.1136/bmj.k3207 (Published 29 August 2018) Cite this as: BMJ 2018;362:k3207

Linked editorial

Opioid deaths in Ontario, Canada