[Progress in esophagoscopy].
D004935:Esophageal Diseases / Q000175:diagnosis; D020701:Esophagoscopes; D004945:Esophagoscopy; D006258:Head and Neck Neoplasms / Q000175:diagnosis; D006548:Hernia, Diaphragmatic / Q000175:diagnosis; D006801:Humans; D008722:Methods; D013274:Stomach Neoplasms / Q000175:diagnosis; D013899:Thoracic Neoplasms / Q000175:diagnosis
Progressi in esofagoscopia.