title: The chemical characterization of gastrointestinal hormones.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D004064:Digestive System / Q000032:analysis; D005768:Gastrointestinal Hormones / Q000096:biosynthesis / Q000302:isolation & purification; D005934:Glucagon / Q000032:analysis; D006801:Humans; D007118:Immunoassay; D007422:Intestines / Q000032:analysis; D012633:Secretin / Q000032:analysis; D014660:Vasoactive Intestinal Peptide / Q000032:analysis
chemical_list: D005768:Gastrointestinal Hormones; D012633:Secretin; D014660:Vasoactive Intestinal Peptide; D005934:Glucagon