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SEM images of the cultured cells on CO and CO–CS mats. Non-cross-linked mats (A) CO and (B) CO–CS, cross-linked CO (C) woven and (D) aligned, and cross-linked CO–CS (E) woven and (F) aligned mats, (G) Control (HAM).
Abbreviations: SEM, scanning electron microscopy; CO, collagen; CS, chondroitin sulfate; HAM, human amniotic membrane.
