AUTHOR=Liu Ge , Wei Xiaowei , Li Junlei , Zhai Yun , Zhang Jingrun , Jin Ming , Guan Tianmin , Zhao Dewei TITLE=Hydrogel composition and mechanical stiffness of 3D bioprinted cell-loaded scaffolds promote cartilage regeneration JOURNAL=Frontiers in Materials VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2024.1501505 DOI=10.3389/fmats.2024.1501505 ISSN=2296-8016