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. 2014 Jan 22;9(1):e85512. doi: 10.1371/journal.pone.0085512

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© 2014 Kwon 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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(A) Method to calculate the cross-sectional material area. (B) Comparison of the remaining volumes of injected PCL and CaHA 12 months after injection. *: P<0.01.