3D bioprinted multifunctional GelMA/TMP scaffold integrated with neural stem cell-derived extracellular vesicles and neural progenitor cells for spinal cord injury repair. - Liu, Yanting; Kim, Gyubin; Kim, Jun Yong; Park, Jeong Min; Song, Duck Hyun; Lee, Jun-Kyu; Park, So-Yeon; Han, Inbo; Han, Dong Keun (Journal of Tissue Engineering, 2026)