title: Correlation between natural radiation exposure and cancer mortality in Japan (I).
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001417:Background Radiation; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D007223:Infant; D007564:Japan; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000401:mortality*; D011839:Radiation, Ionizing; D012737:Sex Factors