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2. The determination of tryptophan in plasma, liver and urine;DENCKLA, W.D.; DEWEY, H.K.;Journal of Laboratory and Clinical Medicine,1967
3. Inhibition of serotonin synthesis by para-chlorophenylalanine in patients with the carcinoid syndrome;ENGELMAN, K.; W., L.O.V.E.N.B.E.R.G.; SJOERDSMA, A.;New England Journal of Medicine,1967
4. The Carcinoid Syndrome;GRAHAME-SMITH, D.G.,1972
5. Metabolism of an oral tryptophan load. Effects of dose and pretreatment with tryptophan;GREEN, A.R.; ARONSON, J.K.; CURZON, G.; WOODS, H.F.;British Journal of Clinical Pharmacology,1980