title: An improved method of fission--fragment radiography of plutonium in rat bone.
mesh_terms: D000818:Animals; D001842:Bone and Bones / Q000032:analysis*; D008159:Lumbar Vertebrae / Q000032:analysis; D008297:Male; D011005:Plutonium / Q000032:analysis*; D051381:Rats; D013997:Time Factors
chemical_list: D011005:Plutonium