title: [Indication and value of stage pH-metry].
mesh_terms: D005764:Gastroesophageal Reflux / Q000175:diagnosis / Q000601:surgery; D006548:Hernia, Diaphragmatic / Q000175:diagnosis / Q000601:surgery; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008722:Methods
vernacular_title: Indikation und Wert der Etagen-pH-Metrie.