Retracted
This paper is marked retracted in the scholarly record (OpenAlex). Interpret its findings with caution.
PMC · DOI:10.1186/s12888-026-07808-5·January 19, 2026
Retraction Note: Rapid and sustained antidepressant effects of intravenous ketamine in treatment-resistant major depressive disorder and suicidal ideation: a randomized clinical trial
Ahmad Zolghadriha, Afagh Anjomshoaa, Mohammad Reza Jamshidi, Farnaz Taherkhani

Abstract
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Taxonomy
TopicsTreatment of Major Depression · Tryptophan and brain disorders · Bipolar Disorder and Treatment
