title: Preventive maintenance of the gastrointestinal tract.
mesh_terms: D056486:Chemical and Drug Induced Liver Injury / Q000209:etiology; D003108:Colonic Diseases / Q000517:prevention & control; D003110:Colonic Neoplasms / Q000517:prevention & control; D003817:Dentition; D004032:Diet; D004935:Esophageal Diseases / Q000517:prevention & control / Q000628:therapy; D005767:Gastrointestinal Diseases / Q000517:prevention & control*; D006505:Hepatitis / Q000517:prevention & control; D006801:Humans; D010182:Pancreatic Diseases / Q000517:prevention & control; D010437:Peptic Ulcer / Q000517:prevention & control / Q000628:therapy; D012306:Risk; D012907:Smoking; D013274:Stomach Neoplasms / Q000517:prevention & control