AUTHOR=Frega Giorgio , Palloni Andrea , Di Pasquale Giuseppe , Saccoccio Gioconda , Rizzo Alessandro , Poluzzi Elisabetta , Iannone Primiano , Brandi Giovanni 

TITLE=Challenges in Repurposing Drugs in COVID-19 Pandemic. Debating on Potential New Refinements

JOURNAL=Frontiers in Pharmacology

VOLUME=11

YEAR=2020

URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2020.559996

DOI=10.3389/fphar.2020.559996

ISSN=1663-9812