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. 2015 Feb 10;10(2):e0117604. doi: 10.1371/journal.pone.0117604

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© 2015 Lin 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 — (A) Group 1: before surgery. (B) Group 1: after surgery. (C) Group 2: before surgery. (D) Group 2: after surgery. (E) Group 3: before surgery. (F) Group 3: after surgery.