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. 2021 Oct 22;12:755624. doi: 10.3389/fimmu.2021.755624

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Copyright © 2021 Piekarska, Radwan, Tarnowska, Wiśniewski, Radwan, Wilczyński, Malinowski and Nowak

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Impact of ERAP2 secretion on the pregnancy outcome. Red points mean measurement before embryo transfer; while blue, after embryo transfer; black points, fertile control; gray points, fertile pregnant.