AUTHOR=Gray Mark , Turnbull Arran K. , Meehan James , Martínez-Pérez Carlos , Kay Charlene , Pang Lisa Y. , Argyle David J. TITLE=Corrigendum: Comparative Analysis of the Development of Acquired Radioresistance in Canine and Human Mammary Cancer Cell Lines JOURNAL=Frontiers in Veterinary Science VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2021.664680 DOI=10.3389/fvets.2021.664680 ISSN=2297-1769