title: [Double cancer observed in occupational and environmental bladder cancer].
mesh_terms: D000328:Adult; D000368:Aged; D002295:Carcinoma, Transitional Cell / Q000453:epidemiology*; D004396:Coloring Agents / Q000009:adverse effects; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000453:epidemiology*; D009784:Occupational Diseases / Q000453:epidemiology*; D012907:Smoking; D001749:Urinary Bladder Neoplasms / Q000453:epidemiology; D014571:Urologic Neoplasms / Q000453:epidemiology*
chemical_list: D004396:Coloring Agents