AUTHOR=Vincenzi Fabrizio , Pasquini Silvia , Battistello Enrica , Merighi Stefania , Gessi Stefania , Borea Pier Andrea , Varani Katia TITLE=A1 Adenosine Receptor Partial Agonists and Allosteric Modulators: Advancing Toward the Clinic? JOURNAL=Frontiers in Pharmacology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2020.625134 DOI=10.3389/fphar.2020.625134 ISSN=1663-9812