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, 16. https://doi.org/10.1186/s13011-019-0210-9.

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. https://doi.org/10.1371/journal.pone.0190381.