AUTHOR=Li Shuyuan , Zhou Hongliang , Hu Cheng , Yang Jiabao , Ye Jinfei , Zhou Yuexi , Li Zige , Chen Leilei , Zhou Qishi TITLE=Corrigendum: Total Flavonoids of Rhizoma Drynariae Promotes Differentiation of Osteoblasts and Growth of Bone Graft in Induced Membrane Partly by Activating Wnt/β-Catenin Signaling Pathway JOURNAL=Frontiers in Pharmacology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2021.726831 DOI=10.3389/fphar.2021.726831 ISSN=1663-9812