title: The role of chemotherapy for node negative breast cancer.
authors.forename: M R
authors.initials: MR
authors.lastname: Cooper
mesh_terms: D001943:Breast Neoplasms / Q000188:drug therapy*; D003520:Cyclophosphamide; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008727:Methotrexate; D011241:Prednisone
chemical_list: D003520:Cyclophosphamide; D011241:Prednisone; D008727:Methotrexate