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Immunohistochemistry staining for type II collagen (A–D) and type I collagen (E–H) deposition in fibrous scaffold of aligned (A, E), randomly oriented (B, F), and trilaminar composite scaffolds (D, F) after 5 weeks in culture. Blue: nuclei; green: collagen type II (A–D) or collagen type I (E–H); scale bar=50 μm.
