Comparison of beryllium-7 and caesium-137 radioactivity in ground-level air.
D001608:Beryllium; D002586:Cesium; D002588:Cesium Radioisotopes; D006801:Humans; D011847:Radioactive Fallout; D011851:Radioactivity; D011868:Radioisotopes
D002588:Cesium Radioisotopes; D011847:Radioactive Fallout; D011868:Radioisotopes; D002586:Cesium; D001608:Beryllium
BERYLLIUM/radioactive; CESIUM/radioactive; RADIOACTIVE FALLOUT