title: [Comparative statistical research of the gastric cancer in the patients less than thirty years of age and thirty to thirty nine years of age (author's transl)].
mesh_terms: D000328:Adult; D000367:Age Factors; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D013274:Stomach Neoplasms / Q000453:epidemiology*