TY - GEN AU - M. A. Bachhuber AU - J. Weiner AU - J. Mitchell 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 Often, the information from unpublished resources can be limited and the risk of bias cannot be determined.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 PB - Center for Health Economics of Treatment Interventions for Substance Use Disorder, HCV, and HIV PY - 2016 RN - https://ldi.upenn.edu/brief/primary-care-front-lines-opioid-crisis T1 - Issue Brief. Primary care: on the front lines of the opioid crisis TI - Issue Brief. Primary care: on the front lines of the opioid crisis 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 Often, the information from unpublished resources can be limited and the risk of bias cannot be determined.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://ldi.upenn.edu/brief/primary-care-front-lines-opioid-crisis Y1 - 2016 ER -