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. 2022 Jan 13;15:783539. doi: 10.3389/fnins.2021.783539

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Copyright © 2022 Li, Zheng, Liu, Tian, Fang, Cao and Li.

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,B) A flexible space-charge piezoelectret film sample, (C) a packaged piezoelectret sensor for pressure measurement, and (D) an example of multichannel RSC signals measurement by the piezoelectret sensors.