title: Letter: Breast cancer regression under oestrogen therapy.
mesh_terms: D000368:Aged; D001943:Breast Neoplasms / Q000188:drug therapy*; D004967:Estrogens / Q000627:therapeutic use*; D004997:Ethinyl Estradiol / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008593:Menopause; D008875:Middle Aged; D009256:Nafoxidine / Q000627:therapeutic use
chemical_list: D004967:Estrogens; D004997:Ethinyl Estradiol; D009256:Nafoxidine