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. 2018 Nov 30;25(4):195–211. doi: 10.11005/jbm.2018.25.4.195

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Copyright © 2018 The Korean Society for Bone and Mineral Research

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Table 4. The level of evidence.