Absolute concentrations of fentanyl, methamphetamine, and cocaine in urine specimens increased from 2013 to 2023, according to a study published online Oct. 24 in JAMA Network Open.
This article was originally published on MedicalXpress.com
Absolute concentrations of fentanyl, methamphetamine, and cocaine in urine specimens increased from 2013 to 2023, according to a study published online Oct. 24 in JAMA Network Open.
This article was originally published on MedicalXpress.com
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