title: Improvement of routine estrogen and progesterone assay: double labeling with 125-I-labeled estradiol and [3H]R5020.
mesh_terms: D001943:Breast Neoplasms / Q000032:analysis*; D004958:Estradiol; D006801:Humans; D007457:Iodine Radioisotopes; D011397:Promegestone; D011869:Radioligand Assay / Q000379:methods*; D011960:Receptors, Estrogen / Q000032:analysis*; D011980:Receptors, Progesterone / Q000032:analysis*; D014316:Tritium
chemical_list: D007457:Iodine Radioisotopes; D011960:Receptors, Estrogen; D011980:Receptors, Progesterone; D014316:Tritium; D004958:Estradiol; D011397:Promegestone