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2. Substance Abuse and Mental Health Services Administration. (2019). Treatments for Substance Use Disorders. Retrieved from https://www.samhsa.gov/treatment/substance-use-disorders
3. American Psychiatric Association. (2013). Diagnostic and Statistical Manual of Mental Disorders (5th ed.). Arlington, VA: American Psychiatric Publishing.
4. Centers for Disease Control and Prevention. (2019). Methadone. Retrieved from https://www.cdc.gov/drugoverdose/opioids/methadone.html
5. National Alliance of Advocates for Buprenorphine Treatment. (2021). Methadone. Retrieved from https://www.naabt.org/methadone.cfm
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7. Substance Abuse and Mental Health Services Administration. (2015). Medication-Assisted Treatment for Opioid Addiction: Facts for Families and Friends. Retrieved from https://store.samhsa.gov/product/Medication-Assisted-Treatment-for-Opioid-Addiction-Facts-for-Families-and-Friends/SMA15-4443
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