Humours, tumors, and caveats.
D000588:Amines / Q000378:metabolism; D002116:Calcitonin / Q000097:blood; D002276:Carcinoid Tumor; D006729:Hormones, Ectopic; D006801:Humans; D006961:Hyperparathyroidism; D007414:Intestinal Neoplasms; D007421:Intestine, Small / Q000378:metabolism; D009377:Multiple Endocrine Neoplasia
D000588:Amines; D006729:Hormones, Ectopic; D002116:Calcitonin