• Trajectories of psychological distress during recovery from polysubstance use disorder 

      Erga, Aleksander Hagen; Hønsi, Audhild; Anda-Ågotnes, Liss Gøril; Nesvåg, Sverre Martin; Hesse, Morten; Hagen, Egon (Journal article; Peer reviewed, 2021)
      Introduction: Polysubstance use is a prevalent substance use pattern with adverse effects on psychological distress and diminished treatment outcomes. Although polysubstance use often dominates clinical practice, the ...