Xylazine Pharmacokinetics in Patients Testing Positive for Fentanyl and Xylazine,

Yanchun Lin, Christopher W Farnsworth, Vahid Azimi, David B Liss, Michael E Mullins, Bridgit O Crews,

Clinical Chemistry, 2024;, hvae163, doi.org/10.1093/clinchem/hvae163