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The chondrogenic-related protein of (A) GAG, (B) Col II, and (C) Col I of HC-laden γ-PGA-GMA hydrogels with different HA concentrations for different time-points. * indicates a significant difference (p < 0.05) from the H0 group. # indicates a significant difference (p < 0.05) from the H5 group. Data are presented as mean ± SEM, n = 6 for each group.
