title: Correlation between natural radiation exposure and cancer mortality (5).
mesh_terms: D000328:Adult; D000368:Aged; D001417:Background Radiation; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology*; D011839:Radiation, Ionizing