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Retraction Note: Rapid and sustained antidepressant effects of intravenous ketamine in treatment-resistant major depressive disorder and suicidal ideation: a randomized clinical trial

Crossref DOI link: https://doi.org/10.1186/s12888-026-07808-5

Published Online: 2026-01-19

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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