title: Letter: Combination chemotherapy for breast cancer.
mesh_terms: D001853:Bone Marrow / Q000503:physiopathology; D001943:Breast Neoplasms / Q000188:drug therapy* / Q000503:physiopathology; D003520:Cyclophosphamide / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D005260:Female; D005472:Fluorouracil / Q000627:therapeutic use; D006801:Humans; D008099:Liver / Q000503:physiopathology; D008727:Methotrexate / Q000627:therapeutic use; D011241:Prednisone / Q000627:therapeutic use
chemical_list: D003520:Cyclophosphamide; D005472:Fluorouracil; D011241:Prednisone; D008727:Methotrexate