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. 2016 Aug 19;95(33):e4247. doi: 10.1097/MD.0000000000004247

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Copyright © 2016 the Author(s). Published by Wolters Kluwer Health, Inc. All rights reserved.

This is an open access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0, where it is permissible to download, share and reproduce the work in any medium, provided it is properly cited. The work cannot be changed in any way or used commercially. http://creativecommons.org/licenses/by-nc-nd/4.0

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Table 1.

Baseline characteristics of all clinical trials in this meta-analysis.

3.2.