Emerging Concern: Lidocaine Adulterated "Purple Fentanyl" in the Midwest.

Singh S, Perchellet M, Troupe S, Sethi R.

Kans J Med. 2026 Apr 16;19(2):47-48. doi: 10.17161/kjm.vol19.24641. PMID: 42058382; PMCID: PMC13121163.