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. 2015 Nov 9;13:123. doi: 10.1186/s12958-015-0118-9

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© Gómez-Torres et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — Principal Component Analysis (PCA) results. Score plot PC 1 vs PC 2 and (Data from cell samples (Δ) and control samples (O)) (a) (PC: principal component) and loading plot of PC 1 vs PC2 (b). Lower half of the loading plot shows some buckets discriminative (m/z: mass/charge and RT: retention time) in culture media samples. (ID: identity; FM: fertilization medium; MBI: medium before insemination; MAI: medium after insemination and MOS: medium only spermatozoa)