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. 2020 Sep 3;11:866. doi: 10.3389/fneur.2020.00866

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Copyright © 2020 Luo, Xue, Guo, Lin, Mao, Tang, Song, Wang and Sun.

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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Deeks' funnel plot asymmetry test for the evaluation of potential publication bias in (A) PB T-SPOT and (B) CSF T-SPOT studies. PB, peripheral blood; CSF, cerebrospinal fluid.