title: Letter: Bombesin and the human gastrointestinal tract.
mesh_terms: D000595:Amino Acid Sequence; D001839:Bombesin / Q000032:analysis; D002766:Cholecystokinin; D005755:Gastrins; D005768:Gastrointestinal Hormones / Q000502:physiology; D006801:Humans; D010455:Peptides / Q000032:analysis
chemical_list: D005755:Gastrins; D005768:Gastrointestinal Hormones; D010455:Peptides; D002766:Cholecystokinin; D001839:Bombesin