Carcinoid tumours.
D002276:Carcinoid Tumor / Q000150:complications / Q000175:diagnosis / Q000601:surgery; D003680:Deglutition Disorders / Q000209:etiology; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D006897:Hydroxyindoleacetic Acid / Q000652:urine; D007414:Intestinal Neoplasms; D008113:Liver Neoplasms / Q000209:etiology; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis
D006897:Hydroxyindoleacetic Acid