title: Is columnar lined esophagus and Barrett's esophagus two names of a single entity?
authors.affiliation: PMRC Research Centre, Jinnah Postgraduate Medical Centre, Karachi.
authors.forename: H
authors.initials: H
authors.lastname: Qureshi
authors.forename: W
authors.initials: W
authors.lastname: Ahmed
authors.forename: S J
authors.initials: SJ
authors.lastname: Zuberi
mesh_terms: D001471:Barrett Esophagus / Q000150:complications / Q000473:pathology*; D004947:Esophagus / Q000473:pathology*; D005764:Gastroesophageal Reflux / Q000150:complications / Q000473:pathology*; D006801:Humans; D009626:Terminology as Topic