Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6821853 | Schizophrenia Research | 2018 | 9 Pages |
Abstract
In many patients the course of negative symptoms is unstable and related to the course of outcome. Patients who do show steady low negative symptom levels (60%) may complicate the interpretation of treatment evaluation studies, as they may average out possible effects in subgroups with fluctuating symptom levels.
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Authors
Annemarie P.M. Stiekema, Md Atiqul Islam, Edith J. Liemburg, Stynke Castelein, Edwin R. van den Heuvel, Jaap van Weeghel, André Aleman, Richard Bruggeman, Lisette van der Meer, GROUP-investigators GROUP-investigators,