title: Anti-oestrogen therapy for breast cancer: a trial of tamoxifen at two dose levels.
mesh_terms: D000368:Aged; D000475:Alkenes / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use; D001943:Breast Neoplasms / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004965:Estrogen Antagonists; D005021:Ethylamines / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008593:Menopause; D008875:Middle Aged; D009362:Neoplasm Metastasis
chemical_list: D000475:Alkenes; D004965:Estrogen Antagonists; D005021:Ethylamines