Dispensations of benzodiazepines, z-hypnotics, and gabapentinoids to patients receiving opioid agonist therapy; A prospective cohort study in Norway from 2013 to 2017

Vold, Jørn Henrik; Skurtveit, Svetlana; Aas, Christer Frode; Chalabianloo, Fatemeh; Kloster, Pia Synnøve; Johansson, Kjell Arne & Fadnes, Lars T. (2020). BMC Health Services Research.  ISSN 1472-6963.  20, s 1- 12 . doi: 10.1186/s12913-020-05195-5