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Research

Effect of restricting the legal supply of prescription opioids on buying through online illicit marketplaces: interrupted time series analysis

BMJ 2018; 361 doi: https://doi.org/10.1136/bmj.k2270 (Published 13 June 2018) Cite this as: BMJ 2018;361:k2270

Linked Editorial

Tighter prescribing regulations drive illicit opioid sales
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