title: [Epidemiological study of bladder tumor in Taihoku District, Nagano Prefecture].
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D001749:Urinary Bladder Neoplasms / Q000453:epidemiology*