. 2018 Dec 14;97(50):e13593. doi: 10.1097/MD.0000000000013593
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This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/4.0
Table 3.
Test of heterogeneity and publication bias.
