title: Ion exchange determination of strontium-89 and strontium-90 in milk: collaborative study.
mesh_terms: D000818:Animals; D002852:Chromatography, Ion Exchange; D005507:Food Contamination, Radioactive / Q000032:analysis; D008722:Methods; D008892:Milk / Q000032:analysis*; D013326:Strontium Radioisotopes / Q000032:analysis*
chemical_list: D013326:Strontium Radioisotopes