title: Double labelling assay system for oestrogen and progesterone receptors.
mesh_terms: D001932:Brain Neoplasms / Q000032:analysis*; D005260:Female; D006801:Humans; D011869:Radioligand Assay / Q000379:methods*; D011960:Receptors, Estrogen / Q000032:analysis*; D011980:Receptors, Progesterone / Q000032:analysis*
chemical_list: D011960:Receptors, Estrogen; D011980:Receptors, Progesterone