title: Effect of gastric bypass on serum gastrin.
mesh_terms: D004435:Eating; D005215:Fasting; D005755:Gastrins / Q000097:blood*; D006801:Humans; D007583:Jejunum / Q000601:surgery*; D009765:Obesity / Q000097:blood / Q000628:therapy; D013270:Stomach / Q000601:surgery*
chemical_list: D005755:Gastrins