title: Measurement of  131 I and  125 I by liquid scintillation counting.
mesh_terms: D003902:Detergents; D007456:Iodine Isotopes / Q000032:analysis*; D008433:Mathematics; D008722:Methods; D012588:Scintillation Counting; D013057:Spectrum Analysis; D013974:Thyroxine / Q000032:analysis
chemical_list: D003902:Detergents; D007456:Iodine Isotopes; D013974:Thyroxine