Plutonium 239, strontium 90, and cesium 137.
D000328:Adult; D000367:Age Factors; D000398:Air Pollution, Radioactive; D001842:Bone and Bones / Q000032:analysis; D002587:Cesium Isotopes / Q000032:analysis*; D002648:Child; D002675:Child, Preschool; D004787:Environmental Pollution; D005843:Geography; D006066:Gonads / Q000032:analysis; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007564:Japan; D007668:Kidney / Q000032:analysis; D008099:Liver / Q000032:analysis; D008168:Lung / Q000032:analysis; D008875:Middle Aged; D011005:Plutonium / Q000032:analysis*; D011847:Radioactive Fallout; D011868:Radioisotopes / Q000032:analysis; D012621:Seasons; D013154:Spleen / Q000032:analysis; D013325:Strontium Isotopes / Q000032:analysis*
D002587:Cesium Isotopes; D011847:Radioactive Fallout; D011868:Radioisotopes; D013325:Strontium Isotopes; D011005:Plutonium