Studies on tryptophan and serotonin in patients with malignant carcinoid.
D001669:Biochemical Phenomena; D002276:Carcinoid Tumor; D041981:Gastrointestinal Tract; D006801:Humans; D009369:Neoplasms; D012701:Serotonin / Q000378:metabolism*; D014364:Tryptophan / Q000378:metabolism*
D012701:Serotonin; D014364:Tryptophan
ARGENTAFFINOMA; GASTROINTESTINAL SYSTEM/neoplasms; SEROTONIN/metabolism; TRYPTOPHAN/metabolism