title: Letter: Chemotherapy of breast cancer.
mesh_terms: D001943:Breast Neoplasms / Q000188:drug therapy*; D003520:Cyclophosphamide / Q000627:therapeutic use; D005260:Female; D005472:Fluorouracil / Q000627:therapeutic use; D005500:Follow-Up Studies; D006801:Humans; D008727:Methotrexate / Q000627:therapeutic use
chemical_list: D003520:Cyclophosphamide; D005472:Fluorouracil; D008727:Methotrexate