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There is evidence for a relationship between low levels of 5-hydroxyindoleacetic acid (5-HIAA) in cerebrospinal fluid (CSF) and suicidal behavior in mood disorder. A relationship between CSF homovanillic acid (HVA) and suicidal behavior has not been completely established. Studies done in patients with schizophrenia spectrum psychosis suffer from small numbers, short periods of follow-up and the results...
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