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Evaluation of Trends of Near-Real-Time Urine Drug Test Results for Methamphetamine, Cocaine, Heroin, and Fentanyl
This cross-sectional study uses nationally representative urine drug test data to analyze changes in positivity rates for methamphetamine, cocaine, heroin, and fentanyl.
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Medical Association
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6991312/ https://www.ncbi.nlm.nih.gov/pubmed/31899527 http://dx.doi.org/10.1001/jamanetworkopen.2019.18514 |