title: [Measurement of esophageal pH concentration in the diagnosis of gastroesophageal reflux].
mesh_terms: D004947:Esophagus; D005745:Gastric Acidity Determination; D005764:Gastroesophageal Reflux / Q000175:diagnosis*; D006548:Hernia, Diaphragmatic / Q000150:complications; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008722:Methods
vernacular_title: La pHmetrá esofágica en el diagnóstico del reflujo gastroesofágico.