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. 2015 May 13;10(5):e0125253. doi: 10.1371/journal.pone.0125253

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© 2015 Guan 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 6 — The groups are listed on the upper side of image. The times are listed on the right side of the image. (a): X-ray images of the femoral defect shows callus formation and bridging the defect in USCs/β-TCP group. (b): Representative micro-CT slice and reconstructed image show the continuous callus that bridged the femoral defect in USCs/β-TCP group; scaffold only group exhibited a reparative callus but did not show bridging of the defect; and blank control group showed limited callus formation. (c) Bone mineral density (BMD) and (d) bone volume were quantified within a standard ROI placed concentrically over the defect site (*P<0.05).