3D printing of cell‐free implants: A promising avenue for cartilage regeneration and joint preservation - Liangbin Zhou; Shangsi Chen; Boguang Yang; Yiting Lei; Hegeng Li; Haoyue Luo; Xiaoshuai Wang; Qiongjiao Zeng; Jiahui Lai; Fei Jin; Rocky S. Tuan; Zhong Alan Li (Interdisciplinary Medicine, 2026)