title: Disease of the digestive system: duodenal ulcer. I.
mesh_terms: D000863:Antacids / Q000627:therapeutic use; D001464:Barium; D004035:Diet Therapy; D004381:Duodenal Ulcer; D005745:Gastric Acidity Determination; D005773:Gastroscopy; D006801:Humans; D010276:Parasympatholytics / Q000627:therapeutic use; D012146:Rest; D012907:Smoking
chemical_list: D000863:Antacids; D010276:Parasympatholytics; D001464:Barium