TY - RPRT AU - National Institutes of Health 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 Often, the information from unpublished resources can be limited and the risk of bias cannot be determined.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; Opioids & Substance Use CY - Bethesda, MD M1 - Report PB - National Institutes of Health (NIH) PP - Bethesda, MD PY - 2021 RN - https://heal.nih.gov/files/2021-07/polysubstance-heal-meeting-summary.pdf T1 - Opioid Use in the Context of Polysubstance Use: Research Opportunities for Prevention, Treatment, and Sustained Recovery: Executive Summary TI - Opioid Use in the Context of Polysubstance Use: Research Opportunities for Prevention, Treatment, and Sustained Recovery: Executive Summary U1 - Grey Literature; 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 Often, the information from unpublished resources can be limited and the risk of bias cannot be determined.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://heal.nih.gov/files/2021-07/polysubstance-heal-meeting-summary.pdf Y1 - 2021 ER -