title: Gastroesophageal reflux. Pathophysiologic concepts.
mesh_terms: D000863:Antacids / Q000627:therapeutic use; D004724:Endoscopy; D005764:Gastroesophageal Reflux / Q000150:complications / Q000175:diagnosis / Q000503:physiopathology* / Q000628:therapy; D006551:Hernia, Hiatal / Q000175:diagnosis; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008365:Manometry; D011312:Pressure
chemical_list: D000863:Antacids