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Forest plots of performance comparisons among experimental and control groups on autobiographical memory interview short form (AMI-SF) (A), Attention (B), Category fluency (C), Copy (D). SD, standard deviation; IV, inverse variance; 95% CI, 95% confidence interval. x axis labels have been edited according to the characteristics of the outcome: since higher scores indicate better performance the label “Favors ketamine” is on the right-hand side.
