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. 2018 Dec 4;11:450. doi: 10.3389/fnmol.2018.00450

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Copyright © 2018 Pan, Kaminga, Wen and Liu.

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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Forest plot of dopamine (A), epinephrine (B), and norepinephrine (C) between PTSD participants, and controls. Study effect sizes of catecholamines differences between post-traumatic stress disorder and controls. Each data marker represents a study, and the size of the data marker is proportional to the total number of individuals in that study. The summary effect size for each catecholamine is denoted by a diamond. PTSD, post-traumatic stressdisorder; SMD, standardized mean difference.