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Collagen (a) and sGAG (b) content (means and standard deviations) assessed by biochemical assay of harvested constructs (n = 6 per time point). Construct collagen and sGAG content generally increased through 4 weeks in culture, but not after that. *Significant difference among values at different time points (p < 0.05). sGAG, sulfated glycosaminoglycan. Color images available online at www.liebertpub.com/tea
