TY - JOUR KW - Analgesics, Opioid/therapeutic use KW - COVID-19 KW - Drug Overdose/drug therapy KW - Humans KW - Naloxone/therapeutic use KW - Opioid-Related Disorders/drug therapy/epidemiology KW - SARS-CoV-2 KW - United States/epidemiology KW - opioid use disorder KW - polysubstance use KW - rural AU - M. S. Ellis AU - Z. A. Kasper AU - T. J. Cicero A1 - AD - Washington University in St. Louis School of Medicine, Department of Psychiatry, Campus Box 8134, 660 S. Euclid Avenue, St. Louis, MO 63110, United States. Electronic address: ellism@wustl.edu.; Washington University in St. Louis School of Medicine, Department of Psychiatry, Campus Box 8134, 660 S. Euclid Avenue, St. Louis, MO 63110, United States.; Washington University in St. Louis School of Medicine, Department of Psychiatry, Campus Box 8134, 660 S. Euclid Avenue, St. Louis, MO 63110, United States. BT - Preventive medicine C5 - Healthcare Disparities; Opioids & Substance Use CP - Pt 2 CY - United States DO - 10.1016/j.ypmed.2021.106729 IS - Pt 2 JF - Preventive medicine LA - eng M1 - Journal Article PB - Elsevier Inc PP - United States PY - 2021 SN - 1096-0260; 0091-7435 SP - 106729 T1 - Polysubstance use trends and variability among individuals with opioid use disorder in rural versus urban settings T2 - Preventive medicine TI - Polysubstance use trends and variability among individuals with opioid use disorder in rural versus urban settings U1 - Healthcare Disparities; Opioids & Substance Use U2 - 34293380 U3 - 10.1016/j.ypmed.2021.106729 VL - 152 VO - 1096-0260; 0091-7435 Y1 - 2021 Y2 - Nov ER -