title: [Clinical applications of ambulatory 24-hour pH recording of the esophagus].
authors.forename: N
authors.initials: N
authors.lastname: Freidin
mesh_terms: D002637:Chest Pain / Q000209:etiology; D004947:Esophagus / Q000502:physiology*; D005764:Gastroesophageal Reflux / Q000175:diagnosis; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008365:Manometry; D008991:Monitoring, Physiologic