title: Estrogen and progesterone receptors in breast cancer: a new approach to measure.
mesh_terms: D001943:Breast Neoplasms / Q000032:analysis*; D005260:Female; D006801:Humans; D011960:Receptors, Estrogen / Q000032:analysis*; D011980:Receptors, Progesterone / Q000032:analysis*
chemical_list: D011960:Receptors, Estrogen; D011980:Receptors, Progesterone