TY - JOUR AU - D. B. Fuller AU - J. Gryczynski AU - R. P. Schwartz AU - C. Halsted AU - S. G. Mitchell AU - M. Whitter A1 - AD - National Association of State Alcohol & Drug Abuse Directors, Inc., 1919 Pennsylvania Avenue, NW, Suite M-250, Washington, DC 20006, United States of America. Electronic address: dfuller@nasadad.org.; Friends Research Institute, Inc., 1040 Park Avenue, #103, Baltimore, MD 21201, United States of America. Electronic address: jgryczynski@friendsresearch.org.; Friends Research Institute, Inc., 1040 Park Avenue, #103, Baltimore, MD 21201, United States of America. Electronic address: rschwartz@friendsresearch.org.; National Association of State Alcohol & Drug Abuse Directors, Inc., 1919 Pennsylvania Avenue, NW, Suite M-250, Washington, DC 20006, United States of America. Electronic address: chalsted@nasadad.org.; Friends Research Institute, Inc., 1040 Park Avenue, #103, Baltimore, MD 21201, United States of America. Electronic address: smitchell@friendsresearch.org.; National Association of State Alcohol & Drug Abuse Directors, Inc., 1919 Pennsylvania Avenue, NW, Suite M-250, Washington, DC 20006, United States of America. Electronic address: mwhitter@nasadad.org. AN - 38042301 BT - J Subst Use Addict Treat C5 - Opioids & Substance Use; HIT & Telehealth; Education & Workforce; Healthcare Policy DA - Mar DO - 10.1016/j.josat.2023.209214 DP - NLM ET - 20231130 JF - J Subst Use Addict Treat PY - 2024 SN - 2949-8767 (Print); 2949-8759 SP - 209214 ST - State guidance and system changes related to COVID-19: Impact on opioid treatment programs T1 - State guidance and system changes related to COVID-19: Impact on opioid treatment programs T2 - J Subst Use Addict Treat TI - State guidance and system changes related to COVID-19: Impact on opioid treatment programs U1 - Opioids & Substance Use; HIT & Telehealth; Education & Workforce; Healthcare Policy U3 - 10.1016/j.josat.2023.209214 VL - 158 VO - 2949-8767 (Print); 2949-8759 Y1 - 2024 ER -