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. 2023 Mar 26;26(5):331–339. doi: 10.1093/ijnp/pyad014

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© The Author(s) 2023. Published by Oxford University Press on behalf of CINP.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Trajectory of Montgomery-Åsberg Depression Rating Scale (MADRS) scores among patients with treatment-resistant depression (TRD) having prominent suicidal ideation. G, group (ketamine vs midazolam); T, time.