title: Gastro-intestinal disorders.
authors.forename: A
authors.initials: A
authors.lastname: Markitziu
authors.forename: D
authors.initials: D
authors.lastname: Aframian
mesh_terms: D005745:Gastric Acidity Determination; D005767:Gastrointestinal Diseases / Q000150:complications*; D006863:Hydrogen-Ion Concentration; D009061:Mouth Mucosa / Q000737:chemistry*; D014077:Tooth Erosion / Q000209:etiology*