title: Epidemiological considerations of gastric cancer and its counterplans.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D006801:Humans; D007564:Japan; D008403:Mass Screening; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000453:epidemiology* / Q000517:prevention & control