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Infiltration of L929 within the Gel/SA/dECM scaffolds was observed by laser scanning confocal microscope. (A) 3D views of cells grown in the scaffolds at 1 d, 4 d, and 7 d (scale bar: 500 μm). (B) Distribution of cells on different depth in 6G3S1d scaffolds (scale bar: 500 μm).
