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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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Keyword search results in PubMed and Google Scholar. (A,B) Number of results from PubMed and Google Scholar (by February 2021) shown separately for the following keywords: “(allergic rhinitis) AND (depression),” “(allergic rhinitis) AND (anxiety),” “(allergic rhinitis) AND (memory degradation),” “(allergic rhinitis) AND (attention deficit),” “(allergic rhinitis) AND (insomnia),” “(allergic rhinitis) AND (irritable),” “(allergic rhinitis) AND (cognitive impairment),” “(allergic rhinitis) AND (dementia),” “(allergic rhinitis) AND (restless),” and “(allergic rhinitis) AND (embarrassed).”