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. 2015 May 28;10(5):e0128362. doi: 10.1371/journal.pone.0128362

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© 2015 Oprenyeszk et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 4 — Sections in alginate (A and C) or chitosan-alginate (B and D) beads. Safranin-O/fast green (A and B) or alcian blue staining (C and D). Original magnification x20. Black triangles represented chitosan trabeculae, black diamonds represented chondrocytes and stars indicated GAGs deposition.