Strickler, Elisabeth and Wicki, Zacharias and Westenberg, Jean N and Strasser, Johannes and Lang, Undine E and Dürsteler, Kenneth M and Meyer, Maximilian and Vogel, Marc (2025) Diversion of diacetylmorphine in heroin-assisted treatment: a focus group study among patients and treatment providers. European Addiction Research , 31 , (2) , pp. 87-98.