title: [Esophagoscopy with optical fibers].
mesh_terms: D004935:Esophageal Diseases / Q000175:diagnosis*; D004938:Esophageal Neoplasms / Q000175:diagnosis*; D020701:Esophagoscopes; D004945:Esophagoscopy; D005336:Fiber Optic Technology; D006801:Humans; D008722:Methods; D055100:Optical Fibers
vernacular_title: Esofagoscopia con fibras ópticas.