Cartilage defect repair in a rat model via a nanocomposite hydrogel loaded with melatonin-loaded gelatin nanofibers and menstrual blood stem cells: an in vitro and in vivo study. - Yuan, Libo; Yao, Ling; Ren, Xianzhen; Chen, Xusheng; Li, Xu; Xu, Yongqing; Jin, Tao (Journal of Materials Science: Materials in Medicine, 2024)