e-ISSN: Pending
Negative / Null Result ReportMedicine

The impact of recreational cannabis retailer allocation on emergency department visits: A natural experiment utilizing lottery design.

Bai Y; Cao P; Kim C; Ienciu K; Chum A · 2025 · The International journal on drug policy

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

Abstract (excerpt)

Background In October 2018, Canada legalized recreational cannabis, with Ontario distributing retailer licenses through a lottery system in 2019. This study investigates the impact of recreational cannabis retailer allocation on emergency…

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Metadata source: Europe PMC · DOI 10.1016/j.drugpo.2025.104708