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Plasma amine oxidase and clinical features of schizophrenia

Published Online:https://doi.org/10.1176/ajp.142.8.972

Among 76 chronic schizophrenic patients, plasma amine oxidase activity was unrelated to paranoid/nonparanoid subtype, narrow/broad diagnostic criteria, prognosis, or age at onset. These clinical indices do not identify biological subtypes of schizophrenia with deviant plasma amine oxidase activity.

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