TY - RPRT AU - National Institute on Drug Abuse 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 Often, the information from unpublished resources can be limited and the risk of bias cannot be determined.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 PB - National Institute on Drug Abuse PY - 2018 RN - https://www.drugabuse.gov/publications/research-reports/common-comorbidities-substance-use-disorders/introduction T1 - Common Comorbidities With Substance Use Disorders TI - Common Comorbidities With Substance Use Disorders U1 - Grey Literature 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 Often, the information from unpublished resources can be limited and the risk of bias cannot be determined.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.drugabuse.gov/publications/research-reports/common-comorbidities-substance-use-disorders/introduction Y1 - 2018 ER -