Johannessen, Dagny Adriaenssen and Nordfjærn, Trond and Geirdal, Amy Østertun (2019) Change in psychosocial factors connected to coping after inpatient treatment for substance use disorder: a systematic review. Substance Abuse Treatment, Prevention, and Policy , 14 .

Lauritzen, Grethe and Nordfjærn, Trond (2018) Changes in opiate and stimulant use through 10 years: the role of contextual factors, mental health disorders and psychosocial factors in a prospective SUD treatment cohort study. PLoS ONE , 13 , (1) , e0190381.