AUTHOR=Massari Caio M. , Zuccarini Mariachiara , Di Iorio Patrizia , Tasca Carla I. TITLE=Guanosine Mechanisms of Action: Toward Molecular Targets JOURNAL=Frontiers in Pharmacology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2021.653146 DOI=10.3389/fphar.2021.653146 ISSN=1663-9812