title: Immunoreactive component resembling cholecystokinin octapeptide in intestine.
mesh_terms: D000818:Animals; D002766:Cholecystokinin / Q000276:immunology / Q000378:metabolism*; D004386:Duodenum / Q000378:metabolism; D007118:Immunoassay; D007421:Intestine, Small / Q000378:metabolism*; D007583:Jejunum / Q000378:metabolism; D009842:Oligopeptides / Q000276:immunology / Q000378:metabolism*; D010446:Peptide Fragments / Q000378:metabolism; D013552:Swine
chemical_list: D009842:Oligopeptides; D010446:Peptide Fragments; D002766:Cholecystokinin