TY - RPRT AU - United States Government Accountability Office A1 - C4 - This grey literature reference is included in the Academy's Literature Collection in keeping with our mission to gather all sources of information on integration. Grey literature is comprised of materials that are not made available through traditional publishing avenues. Often, the information from unpublished resources can be limited and the risk of bias cannot be determined. C5 - Grey Literature; Healthcare Policy; Opioids & Substance Use CY - Washington, DC PB - United States Government Accountability Office PP - Washington, DC PY - 2017 RN - https://www.gao.gov/assets/690/688047.pdf T1 - Opioid Use Disorders: HHS Needs Measures to Assess the Effectiveness of Efforts to Expand Access to Medication-Assisted Treatment TI - Opioid Use Disorders: HHS Needs Measures to Assess the Effectiveness of Efforts to Expand Access to Medication-Assisted Treatment U1 - Grey Literature; Healthcare Policy; Opioids & Substance Use U4 - This grey literature reference is included in the Academy's Literature Collection in keeping with our mission to gather all sources of information on integration. Grey literature is comprised of materials that are not made available through traditional publishing avenues. Often, the information from unpublished resources can be limited and the risk of bias cannot be determined. U5 - https://www.gao.gov/assets/690/688047.pdf VL - GAO-18-44 Y1 - 2017 ER -