title: Letter: Irritable-bowel syndrome.
mesh_terms: D001565:Benzoates / Q000627:therapeutic use; D003109:Colonic Diseases, Functional / Q000178:diet therapy / Q000188:drug therapy / Q000628:therapy*; D006801:Humans; D010276:Parasympatholytics / Q000008:administration & dosage / Q000627:therapeutic use; D010627:Phenethylamines / Q000627:therapeutic use*
chemical_list: D001565:Benzoates; D010276:Parasympatholytics; D010627:Phenethylamines