https://www.erowid.org/references/refs_view.php?ID=9102
Erowid.org: Erowid Reference 9102 : Butyrfentanyl overdose resulting in diffuse alveolar hemorrhage...
The Index page for the reference article: Cole JB, Dunbar JF, McIntire SA, Regelmann WE, Slusher TM Butyrfentanyl overdose resulting in diffuse alveolar...
erowid orgreference9102butyrfentanyl