title: Chelation-enhanced excretion of radioactive daughters of thorium.
mesh_terms: D000368:Aged; D002118:Calcium; D004492:Edetic Acid / Q000494:pharmacology*; D006801:Humans; D007854:Lead / Q000652:urine; D008297:Male; D011868:Radioisotopes / Q000652:urine*; D011874:Radiometry; D013911:Thorium Dioxide / Q000378:metabolism*
chemical_list: D011868:Radioisotopes; D007854:Lead; D004492:Edetic Acid; D013911:Thorium Dioxide; D002118:Calcium