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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: J Biomed Mater Res B Appl Biomater. 2014 Sep 17;103(5):1044–1049. doi: 10.1002/jbm.b.33290

Fig. 4.

Fig. 4

Representative histology sections demonstrating the extent of new bone formation in the defects at 4 weeks due to various treatments: empty defects (a), chitosan scaffolds (b) and copper-loaded chitosan scaffolds (c). OB = old bone and NB = new bone. Note the partial bridging of new bone in the copper-loaded chitosan test group indicated by the arrows. Scale bar, 50 µm.