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Immunohistochemical results of repaired tissues with different scaffolds. (a) CoL-I immunohistochemical staining. (b) Col-II immunohistochemical staining. (c) Aggrecan immunohistochemical staining. Relative expression of CoL-I, Col-II, and Aggrecan in different groups at (d) 12 weeks and (e) 24 weeks.
