title: The nature of the endocrine system. Part 8: gastrointestinal hormones.
mesh_terms: D005755:Gastrins / Q000378:metabolism; D005767:Gastrointestinal Diseases / Q000378:metabolism*; D005768:Gastrointestinal Hormones / Q000378:metabolism*; D006728:Hormones; D006801:Humans; D007668:Kidney / Q000378:metabolism; D010437:Peptic Ulcer / Q000378:metabolism; D012633:Secretin / Q000378:metabolism; D015043:Zollinger-Ellison Syndrome / Q000378:metabolism
chemical_list: D005755:Gastrins; D005768:Gastrointestinal Hormones; D006728:Hormones; D012633:Secretin