title: Histological grade and response to endocrine therapy in breast cancer.
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000473:pathology* / Q000628:therapy; D002369:Castration; D004967:Estrogens / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008593:Menopause; D008875:Middle Aged
chemical_list: D004967:Estrogens