1. Substance Abuse and Mental Health Services Administration . Key substance use and mental health indicators in the United States: results from the 2017 national survey on drug use and health. Available: https://www.samhsa.gov/data/report/2017-nsduh-annual-national-report [Accessed 21 Mar 2021].
2. Mortality risk during and after opioid substitution treatment: systematic review and meta-analysis of cohort studies
3. Now is the Time to Address Substance Use Disorders in Primary Care
4. Drugs-related death soon after hospital-discharge among drug treatment clients in Scotland: record linkage, validation, and investigation of risk-factors;White;PLoS One,2015
5. Federal Registrar . Federal guidelines on the for the administration of buprenorphine for treating OUD. Available: https://www.federalregister.gov/documents/2021/04/28/2021-08961/practice-guidelines-for-th e-administration-of-buprenorphine-for-treating-opioid-use-disorder [Accessed 28 Apr 2021].