A- A A+

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

Hsu G, Kovács B. 

BMJ. 2021 Jan 27;372:m4957. doi: 10.1136/bmj.m4957. PMID: 33504472.

https://pubmed.ncbi.nlm.nih.gov/33504472/