Fig. 4From: Preparation and characterization of propolis reinforced eggshell membrane/ GelMA composite hydrogel for biomedical applicationsCharacteristics of scaffolds. (a) FE-SEM images of GM, GM/EMF, and GM/EMF/P hydrogels. (b) Pore size distribution of GM, GM/EMF, and GM/EMF/P hydrogelsBack to article page