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Biochemical analyses are shown for the chondrogenic differentiation of hUCMSCs in PGA and PLLA scaffolds (mean ± standard deviation; n = 4). (a) DNA content; (b) Glycosaminoglycan (GAG) content; (c) Hydroxyproline (HYP) content. *= statistically significant difference between the PGA and the PLLA scaffolds (p < 0.05).
