Analytical measurements of natural lead radiations.
D001729:Bismuth / Q000032:analysis; D007854:Lead; D011059:Polonium / Q000032:analysis; D011851:Radioactivity; D011868:Radioisotopes / Q000032:analysis
D011868:Radioisotopes; D007854:Lead; D011059:Polonium; D001729:Bismuth