title: Tamoxifen and conjugated estrogens (Premarin) followed by sequenced methotrexate and 5-FU in refractory advanced breast cancer.
mesh_terms: D000328:Adult; D000368:Aged; D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D001943:Breast Neoplasms / Q000188:drug therapy*; D004966:Estrogens, Conjugated (USP) / Q000008:administration & dosage; D005260:Female; D005472:Fluorouracil / Q000008:administration & dosage; D006801:Humans; D008727:Methotrexate / Q000008:administration & dosage; D008875:Middle Aged; D013629:Tamoxifen / Q000008:administration & dosage
chemical_list: D004966:Estrogens, Conjugated (USP); D013629:Tamoxifen; D005472:Fluorouracil; D008727:Methotrexate