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Objective
This study aimed to systematically appraise the meta‐analyses of observational studies on risk factors and peripheral biomarkers for schizophrenia spectrum disorders.
Methods
We conducted an umbrella review to capture all meta‐analyses and Mendelian randomization studies that examined associations between non‐genetic risk factors and schizophrenia spectrum disorders. For each eligible...
Nuevo R, Van Os J, Arango C, Chatterji S, Ayuso‐Mateos JL. Evidence for the early clinical relevance of hallucinatory‐delusional states in the general population.
Objective: To analyze, in a general population sample, clustering of delusional and hallucinatory experiences in relation to environmental exposures and clinical parameters.
Method: General population‐based household surveys of randomly...
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