title: Diagnosis of reflux disease.
authors.affiliation: Department of Medicine, Queen's University of Belfast.
authors.forename: N I
authors.initials: NI
authors.lastname: McDougall
mesh_terms: D003937:Diagnosis, Differential; D016099:Endoscopy, Gastrointestinal; D004947:Esophagus / Q000000981:diagnostic imaging / Q000473:pathology; D005764:Gastroesophageal Reflux / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008365:Manometry; D011877:Radionuclide Imaging; D014463:Ultrasonography