| Hans-Günter Meyer-Thompson | Verschiedene
The Appearance of Xylazine in the United States as a Fentanyl Adulterant.
The Appearance of Xylazine in the United States as a Fentanyl Adulterant.
Leconte CE, Sethi R.
Prim Care Companion CNS Disord. 2023 Oct 31;25(6):22nr03473. doi: 10.4088/PCC.22nr03473. PMID: 37923548.
https://www.psychiatrist.com/pcc/appearance-xylazine-united-states-fentanyl-adulterant/