title: Letter: The gastro-entero-pancreatic system.
mesh_terms: D007516:Adenoma, Islet Cell / Q000378:metabolism; D005755:Gastrins / Q000378:metabolism*; D005768:Gastrointestinal Hormones / Q000378:metabolism*; D006801:Humans; D007328:Insulin / Q000378:metabolism; D000078790:Insulin Secretion; D007515:Islets of Langerhans / Q000166:cytology / Q000502:physiology*; D010455:Peptides / Q000378:metabolism
chemical_list: D005755:Gastrins; D005768:Gastrointestinal Hormones; D007328:Insulin; D010455:Peptides