40 , 41 However, positive and negative symptoms showed a trend for improvement with the experimental treatment, which reached statistical significance only for some specific symptoms (such as conceptual disorganization, hostility, social withdrawal, and preoccupation).
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Feasibility and Effectiveness of a Multi-Element Psychosocial Intervention for First-Episode Psychosis: Results From the Cluster-Randomized Controlled GET UP PIANO Trial in a Catchment Area of 10 Million Inhabitants.
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