title: Criteria in ambulatory 24-hour oesophageal pH recording.
authors.forename: A J
authors.initials: AJ
authors.lastname: Smout
mesh_terms: D001655:Bile Reflux / Q000175:diagnosis; D005764:Gastroesophageal Reflux / Q000175:diagnosis*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008991:Monitoring, Physiologic / Q000379:methods*; D012016:Reference Values; D012680:Sensitivity and Specificity