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Association between county level cannabis dispensary counts and opioid related mortality rates in the United States: panel data study

The BMJ · The BMJ · last updated
… United States: panel data study. BMJ 2021; 372 doi: https://doi.org/10.1136/bmj.m4957 (Published 27 January 2021) Cite this as: BMJ 2021;372:m4957 …