[Importance of endoscopic studies in the early detection of stomach and intestinal diseases in the polyclinic].
D000328:Adult; D000367:Age Factors; D004724:Endoscopy; D005773:Gastroscopy; D006801:Humans; D007410:Intestinal Diseases / Q000175:diagnosis* / Q000453:epidemiology; D008875:Middle Aged; D012306:Risk; D013272:Stomach Diseases / Q000175:diagnosis* / Q000453:epidemiology
Znachenie éndoskopicheskikh issledovaniĭ v rannem vyiavlenii zabolevaniĭ zheludka i kishechnika v poliklinicheskikh usloviiakh.