title: Letter: Diagnosis of "reflux oesophagitis".
mesh_terms: D001466:Barium Sulfate; D003679:Deglutition; D004941:Esophagitis / Q000175:diagnosis* / Q000503:physiopathology; D005764:Gastroesophageal Reflux / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D006863:Hydrogen-Ion Concentration
chemical_list: D001466:Barium Sulfate