title: Determination of strontium-90 in urine by extraction without ashing.
mesh_terms: D006801:Humans; D008722:Methods; D011868:Radioisotopes; D013324:Strontium / Q000652:urine*; D015019:Yttrium / Q000652:urine
chemical_list: D011868:Radioisotopes; D015019:Yttrium; D013324:Strontium