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Man driving with marijuana in hand

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‘Arbitrary’ cutoffs of THC levels make it difficult to measure impaired driving

Friday, January 14, 2022
NBC News
https://www.nbcnews.com/health/health-news/arbitrary-cutoffs-thc-levels-make-di…
The University of Iowa
University of Iowa

Driving Safety Research Institute

 College of Engineering

2401 Oakdale Blvd
Iowa City, Iowa 52242

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