REFERENCES
- Oberg K. Carcinoid tumors: current concepts in diagnosis and treatment. Oncologist 1998; 3: 339–45.
- Feldman JM, O'Dorsio TM. Role of neuropep-tides and serotonin in the diagnosis of carcinoid tumors. Am J Med 1986; 81 Suppl 6B: 41–8
- Feldman JM. Urinary serotonin in the diagnosis of carcinoid tumors. Clin Chem 1986; 32: 840–4.
- Nuttall KL, Pingree SS. The incidence of eleva-tions in urine 5-hydroxyindoleacetic acid. Ann Clin Lab Sci 1998; 28: 167–74.
- Kema IP, de Vries EGE, Schellings AMJ, Postmus PE, Muskiet FAJ. Improved diagnosis of carci-noid tumors by measurement of platelet serotonin. Clin Chem 1992; 38: 534–40.
- Kema IP, de Vries EGE, Slooff MJH, Biesma B, Muskiet FAJ. Serotonin, catecholamines, hista-mine, and their metabolites in urine, platelets, and tumor tissue of patients with carcinoid tumors. Clin Chem 1994; 40: 86–95.
- Meijer WG, Kema IP, Volmer M, Willemse PHB, de Vries EGE. Discriminating capacity of indole markers in the diagnosis of carcinoid tumors. Clin Chem 2000; 46: 1588–96.
- Kema IP, Schellings AMJ, Meiborg G, Hoppenbrouwers CJM, Muskiet FAJ. Influence of a serotonin- and dopamine-rich diet on platelet serotonin content and urinary excretion of bio-genic amines and their metabolites. Clin Chem 1992; 38: 1730–6.
- Nobels FRE, Kwekkeboom DJ, Bouillon R, Lamberts SWJ. Chromogranin A: its clinical value as marker of neuroendocrine tumours. Eur J Clin Invest 1998; 28: 431–40.
- Tomassetti P, Migliori M, Simoni P, Casadei R, de Lasio R, Corinaldesi R, Gullo L. Diagnostic value of plasma chromogranin A in neuroendo-crine tumors. Eur J Gastroenterol Hepatol 2001; 13: 55–8.
- Spigset 0, Mjörndal T. Effect of fluvoxamine on platelet 5-HT2A receptors as studied by [3H]lyser-gic acid diethylamide ([3H]LSD) binding in healthy volunteers. Psychopharmacology 1997; 133: 39 — 42.
- Spigset 0, Mjörndal T. Serotonin 5-HT 2A receptor binding in platelets from healthy subjects as studied by [3H]lysergic acid diethylamide ([3H]LSD): intra- and interindividual variability. Neuropsychopharmacology 1997; 16: 285–93.
- Lowry DH, Rosenbrough HJ, Farr AL, Randall RJ. Protein measurements with folin phenol reagent. J Biol Chem 1951; 193: 265–75.
- Markwell MAK, Haas SM, Bieber LL, Tolbert NE. A modification of the Lowry procedure to simplify protein determination in membrane and lipoprotein samples. Anal Biochem 1978; 87: 206 — 10.
- Wahlund KG, Edlén B. Separation of 5-hydroxyindole-3-acetic acid and indole-3-acetic acid in urine by direct injection on a reversed-phase column containing a hydrogen-accepting stationary phase. J Chromatogr 1981; 204: 269–74.
- Wahlund KG, Edlén B. Simple and rapid determination of 5-hydroxyindole-3-acetic acid in urine by direct injection on a liquid chromato-graphic column. Clin Chim Acta 1981; 110: 71–6.