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Mechanical and swelling properties of 3D-printed cell-free Gel-MA and Gel-MA/HAp-MNP constructs. (A) Compression strength analysis. (B) Equilibrium swelling properties of the hydrogels (n = 3) (a,a; b,b; c,c; d,dP < 0.05). (C, D) Scanning electron micrographs of 3DP Gel-MA and Gel-MA/HAp-MNP.
