1. Danish Health Agency. Narkotikasituationen i Danmark2020.https://www.sst.dk/da/Udgivelser/2020/Narkotikasituationen-i-Danmark---delrapport-4
2. Fatal poisoning among drug users in Denmark in 2017;Simonsen KW;Dan Med J,2020
3. Fatal poisoning in drug addicts in the Nordic countries in 2017
4. Psychiatric comorbidity in forensic psychiatry;Palijan TZ;Psychiatr Danub,2009