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In vitro characterization of the scaffold (a) The 3D-printed EGH scaffolds. (b) 3D Laser microscope images of scaffold. (c) The SEM images of the BM-MSCs cultured on the 3D-printed EGH scaffold 1 days after culturing in basal media. (d) Viability % of BM-MSCs after 1 and 7 days of culturing in basal medium on 3D-printed EGH scaffolds, and plate, as a control group
