title: Cryotherapy for Barrett's esophagus: does the gas really matter?
authors: J A
authors: JA
authors: Dumot
authors: B D
authors: BD
authors: Greenwald
mesh_terms: D001471:Barrett Esophagus / Q000628:therapy*; D002245:Carbon Dioxide; D017679:Cryotherapy / Q000379:methods*; D006801:Humans; D009584:Nitrogen
chemical_list: D002245:Carbon Dioxide; D009584:Nitrogen