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Research Report SRR95-010

On The Concentration Of Hydroxyindoleacetic Acid In Schizophrenics A Meta Analysis

Henry C. Tuckwell

Abstract: A meta-analysis was performed on the results of several investigations of the concentration of the serotonin metabilite 5-hydroxyindoleacetic acid (5-HIAA) in the cerebrospinal fluid or serum of acute and chronic schizophrenic patients. Using Fisher's procedure and a weighted Lipták method, no significant differences were found between normal controls and schizophrenics, indicating that disturbances of serotoninergic systems do not, in general or essentially, contribute to the etiology of schizophrenia.


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