title: [Experience with esophagogastroscopy using a flexible Soviet fiber optics device].
mesh_terms: D004938:Esophageal Neoplasms / Q000175:diagnosis; D020701:Esophagoscopes; D004945:Esophagoscopy / Q000379:methods; D005336:Fiber Optic Technology / Q000295:instrumentation*; D005756:Gastritis / Q000175:diagnosis; D020699:Gastroscopes; D005773:Gastroscopy / Q000379:methods; D006801:Humans; D055100:Optical Fibers; D013274:Stomach Neoplasms / Q000175:diagnosis; D014586:USSR
vernacular_title: Opyt ézofagogastroskopii otechestvennym gibkmi priborom s volokonnoĭ optikoĭ.