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. 2022 Jan 24;12:751905. doi: 10.3389/fphys.2021.751905

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Copyright © 2022 Shan, Zhao, Zhao, Wang, Cui and Bao.

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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(A) Forest plot of congenital birth defect rate between AOA treatment and non-AOA treatment patient groups using calcium ionophore. (B) The subgroup analysis of birth defect rate between AOA treatment and non-AOA treatment patient groups.