[Results of gastric cancer survey using fiberoptic endoscope in 5 northwest provinces (autonomous region) (author's transl)].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002681:China; D005260:Female; D005336:Fiber Optic Technology; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000175:diagnosis / Q000453:epidemiology*