[Early detection of stomach cancer by gastroscopy under polyclinic conditions].
D000553:Ambulatory Care; D005773:Gastroscopy; D006801:Humans; D011230:Precancerous Conditions / Q000175:diagnosis; D013274:Stomach Neoplasms / Q000175:diagnosis*
Rannee vyiavlenie raka zheludka s pomoshch'iu gastroskopii v poliklinicheskikh usloviiakh