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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Forest plot of standardized mean differences in Hamilton Depression Rating Scale at follow-up at one and a half to three months after last treatment session. Squares indicate effect sizes of individual studies, lines indicate 95% CI, and diamond indicates the summarized effect size.