title: The "urban factor" in cancer: smoking, industrial exposures, and air pollution as possible explanations.
mesh_terms: D000397:Air Pollution; D005260:Female; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000453:epidemiology*; D009664:Norway; D009784:Occupational Diseases / Q000453:epidemiology*; D012424:Rural Population; D012737:Sex Factors; D012907:Smoking / Q000150:complications*; D012959:Socioeconomic Factors; D006113:United Kingdom; D014481:United States; D014505:Urban Population