AUTHOR=Squadrito Francesco , Bitto Alessandra , Irrera Natasha , Pizzino Gabriele , Pallio Giovanni , Minutoli Letteria , Altavilla Domenica TITLE=Corrigendum: Pharmacological activity and clinical use of PDRN JOURNAL=Frontiers in Pharmacology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2022.1073510 DOI=10.3389/fphar.2022.1073510 ISSN=1663-9812