WHO Regional Office for Europe: Prisons and Health (2014),

Verster, A., Buning, E. (2000): European methadone guidelines. Amsterdam, EuroMethwork

United Nations Office on Drugs and Crime, UNAIDS and WHO (2006): HIV/AIDS prevention, care, treatment and suport in prison settings: a framework for an effective national response. Vienna, United Nations Office on Drugs and Crime

UNODC/WHO (2013): Good governance for prison health in the 21st century. A policy brief on the organization of prison 

UNODC/WHO (2018): Treatment and care for people with drug use disorders in contact with the criminal justice system - Alternatives to Conviction or Punishment.