title: Sliding hiatus hernia assessed by oesophagogastric pH and manometric measurements.
mesh_terms: D004943:Esophagogastric Junction / Q000503:physiopathology*; D004945:Esophagoscopy; D006548:Hernia, Diaphragmatic / Q000503:physiopathology*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D011312:Pressure