title: [Endoscopic diagnosis of diseases of the upper digestive tract under polyclinical conditions].
mesh_terms: D000553:Ambulatory Care; D004378:Duodenal Diseases / Q000175:diagnosis; D004724:Endoscopy; D004935:Esophageal Diseases / Q000175:diagnosis; D005260:Female; D005767:Gastrointestinal Diseases / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013272:Stomach Diseases / Q000175:diagnosis
vernacular_title: Endoskopicheskaia diagnostika zabolevaniĭ verkhnego otdela pishchevaritel'nogo trakta v usloviiakh polikliniki