title: The area under pH curve: a single-figure parameter representative of esophageal acid exposure.
mesh_terms: D002648:Child; D004947:Esophagus / Q000503:physiopathology*; D005745:Gastric Acidity Determination; D005764:Gastroesophageal Reflux / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D006863:Hydrogen-Ion Concentration