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. 2013 Jun 28;8(6):e67449. doi: 10.1371/journal.pone.0067449

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© 2013 Yang 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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3a. Funnel plot for the complication in all studies; 3b. Funnel plot for the complication in bimaxillary operations; 3c. Funnel plot for the complication in BSSRO; 3d. Funnel plot for the complication in Le Fort I; 3e. Funnel plot for the complication in fracture fixation.