AUTHOR=Giovagnoni Emiliano TITLE=Corrigendum: Substance-based medical devices made of natural substances: An opportunity for therapeutic innovation JOURNAL=Frontiers in Drug Safety and Regulation VOLUME=2 YEAR=2022 URL=https://www.frontiersin.org/journals/drug-safety-and-regulation/articles/10.3389/fdsfr.2022.1054972 DOI=10.3389/fdsfr.2022.1054972 ISSN=2674-0869