title: Tamoxifen and breast cancer in the elderly.
mesh_terms: D000368:Aged; D001943:Breast Neoplasms / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008408:Mastectomy; D013629:Tamoxifen / Q000627:therapeutic use*
chemical_list: D013629:Tamoxifen