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. 2019 Aug 26;10:929. doi: 10.3389/fphar.2019.00929

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Copyright © 2019 Liu, Qiao, Zhang, Wang, Zhang, Zhai, Ren, Li, Cao, Feng, Cao and Wu

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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Schematic protocol of in vivo experiments. Iso, isoproterenol; Zac, zacopride; Chlo, chloroquine; RS23597, RS23597-190, an antagonist of 5-HT₄ receptor. m-CPBG, m-chlorophenylbiguanide, an agonist of 5-HT₃ receptor.