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. 2019 Nov 8;11:1756287219887656. doi: 10.1177/1756287219887656

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© The Author(s), 2019

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — (a) Comparison of semen parameter changes after left microsurgical subinguinal varicocele repair in patients with or without right subclinical varicocele. (b) Box plots indicate quantitative changes in median semen parameters 3 months after surgery among all groups.

Please note, the red dotted lines indicate WHO reference values (sperm concentration 15 × 10⁶/ml; progressive sperm motility 32%; normal sperm forms 4%).