[Incidence of stomach neoplasms and the groups at high risk].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D005750:Gastric Juice / Q000378:metabolism; D006801:Humans; D008875:Middle Aged; D012306:Risk; D013274:Stomach Neoplasms / Q000453:epidemiology*
Wystepowanie raka zoładka a grupy zagrozenia.