title: Radiochemical determination of 89Sr and 90Sr: a comparison of methods based on error analysis.
mesh_terms: D013326:Strontium Radioisotopes / Q000032:analysis* / Q000302:isolation & purification; D015021:Yttrium Radioisotopes / Q000032:analysis / Q000302:isolation & purification
chemical_list: D013326:Strontium Radioisotopes; D015021:Yttrium Radioisotopes