AUTHOR=Pan Linlin , Zhai Xin , Duan Zhanhui , Xu Kun , Liu Guirong TITLE=Corrigendum: Systematic review and meta-analysis of Coptis Chinensis Franch. -containing traditional Chinese medicine as an adjunct therapy to metformin in the treatment of type 2 diabetes mellitus JOURNAL=Frontiers in Pharmacology VOLUME=13 YEAR=2023 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2022.1112418 DOI=10.3389/fphar.2022.1112418 ISSN=1663-9812