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Quantitative analysis of mixed composition μRB scaffolds after 21 days in chondrogenic medium. (A) Fold change in proliferation from day 1. (B) sGAG and (C) collagen content in acellular and cellular scaffolds. (D) Compressive stiffness of gels. Data are mean ± SD for n = 3 samples. *p < 0.05; **p < 0.001.
