title: Gamma spectroscopic determination of cesium-137 in milk, using simultaneous equations: collaborative study.
mesh_terms: D000818:Animals; D001464:Barium; D002587:Cesium Isotopes / Q000032:analysis*; D007456:Iodine Isotopes; D008722:Methods; D008892:Milk / Q000032:analysis*; D011868:Radioisotopes / Q000032:analysis*; D013051:Spectrometry, Gamma
chemical_list: D002587:Cesium Isotopes; D007456:Iodine Isotopes; D011868:Radioisotopes; D001464:Barium