AUTHOR=Wang Liqiang , Liu Chaozong , Xie Lechun TITLE=Editorial: Metallic Biomaterials for Medical Applications JOURNAL=Frontiers in Materials VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2021.795642 DOI=10.3389/fmats.2021.795642 ISSN=2296-8016