title: Separation of strontium-89 and -90 from calcium in milk with a macrocyclic ether.
mesh_terms: D000818:Animals; D002118:Calcium / Q000302:isolation & purification*; D002417:Cattle; D004988:Ethers, Cyclic; D008892:Milk / Q000032:analysis*; D013326:Strontium Radioisotopes / Q000302:isolation & purification*
chemical_list: D004988:Ethers, Cyclic; D013326:Strontium Radioisotopes; D002118:Calcium