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Images of the subcutaneous implants after 4 and 8 weeks (scale bars, 1 cm) (a). Amount of GAG (b) and collagen (c) per sample (V = 200 μL) of CH-laden PNVCL-L (20% w/v) and PNVCL-H (10% w/v) hydrogels after 4 and 8 weeks of in vivo culture. *##**Indicate significance (p < 0.05 and p < 0.01, respectively) between 4 and 8 weeks for the same polymer. ##Indicates significance (p < 0.01) between PNVCL-L and PNVCL-H at 4 or 8 weeks. Color images available online at www.liebertpub.com/tea
