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. 2021 Jul 14;15:697299. doi: 10.3389/fnins.2021.697299

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Copyright © 2021 Gao, Chen, Xiang, Zhang, Tan, Fan, Liu, Lv and Xu.

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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Mean ALFF signal values for the altered regional brain areas between AR patients and HCs. ALFF, amplitude of low-frequency fluctuation; AR, allergic rhinitis; HCs, healthy controls; PCUN, precuneus; ACC, anterior cingulate cortex.