title: [Clinical evaluation of several supplementary methods increasing the diagnostic possibilities of gastroduodenofibroscopy].
mesh_terms: D000328:Adult; D000368:Aged; D004396:Coloring Agents; D004378:Duodenal Diseases / Q000175:diagnosis; D004386:Duodenum; D004724:Endoscopy / Q000379:methods*; D005260:Female; D005336:Fiber Optic Technology; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008751:Methylene Blue; D008875:Middle Aged; D013272:Stomach Diseases / Q000175:diagnosis
chemical_list: D004396:Coloring Agents; D008751:Methylene Blue
vernacular_title: Klinicheskaia otsenka nekotorykh dopolnitel'nykh metodik, rasshiriaiushchikh diagnosticheskie vozmozhnosti gastroduodenofibroskopii