Figure 4.
Schematic illustration of 3D portable printer and in vivo outcomes in skeletal muscle: (a) graphic diagram; (b) images of GelMA-based hydrogel implantation; (c) in vivo results of fibrosis in nontreated and treated groups. Adapted with permission from Quint et al. [16]. Advanced Healthcare Materials, published by John Wiley and Sons, copyright 2021.