AUTHOR=Noguchi Yoshihiro , Yan Miao , Yokoyama Satoshi , Poluzzi Elisabetta TITLE=Editorial: Pharmacovigilance and drug repositioning research using pharmacoepidemiology JOURNAL=Frontiers in Pharmacology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2023.1225909 DOI=10.3389/fphar.2023.1225909 ISSN=1663-9812