title: Screening and Barrett's esophagus.
authors.forename: D E
authors.initials: DE
authors.lastname: Langdon
mesh_terms: D001471:Barrett Esophagus / Q000473:pathology / Q000517:prevention & control*; D001706:Biopsy; D004396:Coloring Agents; D003365:Costs and Cost Analysis; D004945:Esophagoscopy / Q000191:economics; D006801:Humans; D008403:Mass Screening / Q000191:economics*
chemical_list: D004396:Coloring Agents