State guidance and system changes related to COVID-19: Impact on opioid treatment programs.

Fuller, D. B., Gryczynski, J., Schwartz, R. P., Halsted, C., Mitchell, S. G., & Whitter, M. (2024). State guidance and system changes related to COVID-19: Impact on opioid treatment programs. Journal of substance use and addiction treatment, 158, 209214. https://doi.org/10.1016/j.josat.2023.209214.