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. 2020 Nov 20;11:552743. doi: 10.3389/fpsyt.2020.552743

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Copyright © 2020 Pearce, Massa, Goldsmith, Gandhi, Hankus, Alrohaibani, Goel, Cuthbert, Fargotstein, Barr, Panuwet, Brown and Duncan.

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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Scatterplots of tryptophan vs. startle latency for Control and Schizophrenia subjects plotted separately. R² and p-values for the correlations are shown on the graphs. (A,C) Control subjects. (B,D) Schizophrenia subjects.