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Accepted for/Published in: JMIR Research Protocols

Date Submitted: Jul 3, 2025
Date Accepted: Nov 5, 2025

The final, peer-reviewed published version of this preprint can be found here:

An Open-Road Driving Performance Task to Examine Long-Term Medical Marijuana Use and Prescription Opioid Positivity Among Adults Aged 50 Years and Older: Protocol for an Observational Trial

Ennis N, Classen S

An Open-Road Driving Performance Task to Examine Long-Term Medical Marijuana Use and Prescription Opioid Positivity Among Adults Aged 50 Years and Older: Protocol for an Observational Trial

JMIR Res Protoc 2025;14:e77944

DOI: 10.2196/77944

PMID: 41313623

PMCID: 12701343

Per the author's request this version is not available.