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Ratio of collagen to sGAG content of agarose (AE) and SA constructs for both transient (AE−, SA−) and continuous (AE+, SA+) TGF-β3 supplementation at days 21 and 42. (A) low seeding density; (B) high seeding density. ap<0.05 versus SA with same culturing conditions at same time point; bp<0.05 versus continuous TGF-β3 with same scaffold at same time point. *Denotes significant difference with p<0.05.
