[Serotonin and the carcinoid syndrome].
D004067:Digestive System Neoplasms; D041981:Gastrointestinal Tract; D008303:Malignant Carcinoid Syndrome / Q000502:physiology*; D009369:Neoplasms; D012701:Serotonin / Q000502:physiology*
D012701:Serotonin
GASTROINTESTINAL SYSTEM/neoplasms; MALIGNANT CARCINOID SYNDROME/physiology; SEROTONIN/physiology