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. 2018 Mar 20;15(5):4105–4118. doi: 10.3892/etm.2018.5970

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Copyright: © Chen et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 6. — Forest plot presenting the effect of stem cell therapy on the number of pregnancy improvement compared with controls. RR, risk ratio; CI, confidence interval; SD, standard deviation; ITV, intra-tail venous.