title: The columnar lined oesophagus: a riddle wrapped in a mystery inside an enigma.
authors.affiliation: Chief, Division of Gastroenterology, Dallas VA Medical Center, Texas 75216, USA.
authors.forename: S J
authors.initials: SJ
authors.lastname: Spechler
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology*; D001471:Barrett Esophagus / Q000473:pathology; D004938:Esophageal Neoplasms / Q000473:pathology*; D004943:Esophagogastric Junction / Q000473:pathology; D004947:Esophagus / Q000473:pathology*; D005764:Gastroesophageal Reflux / Q000473:pathology; D006801:Humans; D007422:Intestines / Q000473:pathology*; D008679:Metaplasia