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Sulfated glycosaminoglycan (sGAG) and collagen content measured in agarose gel-seeded with stem cells cultured with chondrogenic media for 49 days or with hypertrophic media (chondrogenic media for 21 days followed by 28 days of hypertrophic media). Data are expressed in percentages of wet weight and represent the mean±SEM. Significance: b versus hypertrophic media; # versus BMSCs, + versus FPSCs (p<0.05).
