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Typical staining micrographs for sections vertically cut from chondral layer (A) and bony layer (B,C) of cell-seeded scaffold (A, Immunofluorescence staining for type-II collagen; B, Immunofluorescence staining for type-I collagen; and C, Alizarin red staining for calcium deposition; culture time: three weeks; Scale bar, 100 μm).
