AUTHOR=Blackwood Christopher A. , Cadet Jean Lud TITLE=COVID-19 Pandemic and Fentanyl Use Disorder in African Americans JOURNAL=Frontiers in Neuroscience VOLUME=15 YEAR=2021 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2021.707386 DOI=10.3389/fnins.2021.707386 ISSN=1662-453X