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. 2019 Jan 23;9:726. doi: 10.3389/fgene.2018.00726

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Copyright © 2019 Zhou, Li, Wang, Wang and Gu.

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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The variation of environmental conditions and MMA markers. (A) The changes of air temperature. (B) The changes of humidity. (C) The changes of MMA markers in different seasons. (D) The single index positive rate of MMA.