TUESDAY, Oct. 29, 2024 — 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.
Andrew S. Huhn, Ph.D., from the Johns…Original Article
Urine Drug Test Concentrations Up for Fentanyl, Methamphetamine, Cocaine
TUESDAY, Oct. 29, 2024 — 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.
Andrew S. Huhn, Ph.D., from the Johns…
