title: Effect of vagotomy on serum gastrin in patients with duodenal ulceration.
mesh_terms: D004381:Duodenal Ulcer / Q000097:blood* / Q000601:surgery; D005755:Gastrins / Q000097:blood*; D006801:Humans; D007118:Immunoassay; D014628:Vagotomy
chemical_list: D005755:Gastrins