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Opioid hair concentrations using retrospective prescription data from a United States workplace testing population

G Neil Stowe1, Ryan B Paulsen1, Michael I Schaffer2

  • 1Psychemedics Corporation, 5832 Uplander Way, Culver City, CA 90230, USA.

Journal of Analytical Toxicology
|January 2, 2025
PubMed

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