Temporal and regional associations between fentanyl concentrations in the unregulated drug supply and drug-related mortality in British Columbia, Canada. 

Temporal and regional associations between fentanyl concentrations in the unregulated drug supply and drug-related mortality in British Columbia, Canada. 

Tobias S, Bird J, Guzman SM, Palis H, Crabtree A, Hein JE, Wood E, Ti L. 

Int J Drug Policy. 2026 Feb 14;150:105200. doi: 10.1016/j.drugpo.2026.105200. Epub ahead of print. PMID: 41691894.

https://www.sciencedirect.com/science/article/pii/S0955395926000526