title: Intratumoral variations in cytoplasmic estrogen receptor levels in breast cancer.
mesh_terms: D001943:Breast Neoplasms / Q000032:analysis*; D003593:Cytoplasm / Q000032:analysis*; D005260:Female; D006801:Humans; D011960:Receptors, Estrogen / Q000032:analysis*
chemical_list: D011960:Receptors, Estrogen