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Relative expression of genes in tissue for hydrogel-coated poly(dimethylsiloxane) PDMS (CHO–HA/Gel–NH2 = 7:3, 5:5, and 3:7) compared to the control group (bare PDMS). (* p < 0.05, ** p < 0.01, *** p < 0.001, Mann–Whitney test, compared to bare PDMS).
