title: Endoscopy or radiology for upper gastrointestinal symptoms?
authors.forename: H A
authors.initials: HA
authors.lastname: Davies
mesh_terms: D000328:Adult; D004935:Esophageal Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D004945:Esophagoscopy; D005769:Gastrointestinal Motility; D006801:Humans; D011859:Radiography