Fig. 5From: Fabrication of SA/Gel/C scaffold with 3D bioprinting to generate micro-nano porosity structure for skin wound healing: a detailed animal in vivo studyRepresentative images of H&E staining (A) and Masson’s trichrome staining (B) of the wound tissue of porcine for 2, 3, and 4 weeks postoperativelyBack to article page