Tryptophan 5-hydroxyindoleacetic acid and indoleacetic acid were measured in
cerebrospinal fluid taken during pneumoencephalography from patients, some of whom took …

Psychiatric patients undergoing the psychosurgical operation of stereotactic subcaudate
tractotomy were infused intravenously with either saline or L‐tryptophan (15 mg/kg/h) …

Tryptophan, 5-hydroxyindoleacetic acid and indoleacetic acid were measured in
cerebrospinal fluid, taken during pneumoencephalography, from a large series of patients …

Tryptophan was measured in the lumbar CSF and serum of patients undergoing
neurological investigation (controls) and in patients with hepatic cirrhosis. Samples were …

Using a new high performance liquid chromatographic method we have measured
tryptophan, 5‐hydroxyindoleacetic acid (5HIAA), indoleacetic acid (IAA), and …

Tryptophan, 5‐hydroxyindoleacetic acid (5HIAA), and indoleacetic acid (IAA) were
measured in rat cerebrospinal fluid (CSF) using high‐performance liquid chromatography …

Tryptophan and competing neutral amino acid levels were found to be diminished in the
plasma of patients with multiple sclerosis and degenerative diseases, the greatest decrease …

In many circumstances plasma free tryptophan correlated better than plasma total
tryptophan with brain tryptophan concentration (immobilization, fasting, acute liver failure …

Cerebrospinal fluid 5-hydroxyindoleacetic acid (5-HIAA), the major metabolite of serotonin,
was assayed in a group of five depressed patients before and during treatment withL …

L-tryptophan 50 mg/kg was administered orally to patients suffering from either unipolar or
bipolar affective illness, and the concentration of 5-hydroxyindol-acetic acid estimated in …