title: Endoscopic ultrasound in the evaluation of Barrett's esophagus: a preliminary report.
authors.forename: G W
authors.initials: GW
authors.lastname: Falk
mesh_terms: D001471:Barrett Esophagus / Q000000981:diagnostic imaging*; D016145:Endoscopy, Digestive System; D004947:Esophagus / Q000000981:diagnostic imaging; D006801:Humans; D014463:Ultrasonography