[Population survey on the morbidity of stomach cancer and ulcerative disease].
D000328:Adult; D000368:Aged; D006801:Humans; D008403:Mass Screening; D008875:Middle Aged; D010437:Peptic Ulcer / Q000453:epidemiology*; D011044:Poland; D013274:Stomach Neoplasms / Q000453:epidemiology*
Badania populacyjne nad zachorowalnościa na raka zoładka i chorobe wrzodowa.