title: [Gastroscopic diagnosis of stomach tumors under polyclinic conditions].
mesh_terms: D000553:Ambulatory Care; D003951:Diagnostic Errors; D005773:Gastroscopy; D006801:Humans; D011127:Polyps / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011230:Precancerous Conditions / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D013997:Time Factors
vernacular_title: Gastroskopicheskaia diagnostika opukholeĭ zheludka v usloviiakh polikliniki