AUTHOR=Pantziarka Pan , Vandeborne Liese , Bouche Gauthier TITLE=A Database of Drug Repurposing Clinical Trials in Oncology JOURNAL=Frontiers in Pharmacology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2021.790952 DOI=10.3389/fphar.2021.790952 ISSN=1663-9812