title: [Relation between serum pancreatic polypeptide and the pathogenesis of duodenal ulcer].
mesh_terms: D000293:Adolescent; D000328:Adult; D004381:Duodenal Ulcer / Q000097:blood / Q000209:etiology*; D005260:Female; D005750:Gastric Juice / Q000378:metabolism; D006801:Humans; D008297:Male; D008875:Middle Aged; D010191:Pancreatic Polypeptide / Q000097:blood*; D011863:Radioimmunoassay
chemical_list: D010191:Pancreatic Polypeptide