title: Determination of acid sensitivity, mucosal damage and esophagitis.
mesh_terms: D001466:Barium Sulfate; D001706:Biopsy; D004942:Esophagitis, Peptic / Q000175:diagnosis*; D004947:Esophagus / Q000000981:diagnostic imaging; D005764:Gastroesophageal Reflux / Q000150:complications*; D005769:Gastrointestinal Motility; D006801:Humans; D006863:Hydrogen-Ion Concentration; D011859:Radiography
chemical_list: D001466:Barium Sulfate