Preparation of high specific activity nonphenolic-ring 125-I- and 14C-labeled thyroxine.
D002247:Carbon Isotopes; D002852:Chromatography, Ion Exchange; D004105:Diiodotyrosine; D006878:Hydroxides; D007456:Iodine Isotopes; D010667:Phenylpyruvic Acids; D013974:Thyroxine / Q000138:chemical synthesis*
D002247:Carbon Isotopes; D006878:Hydroxides; D007456:Iodine Isotopes; D010667:Phenylpyruvic Acids; D004105:Diiodotyrosine; D013974:Thyroxine