title: Reduced recurrence-free survival after reduced doses of adjuvant chemotherapy in breast cancer: are groups selected after randomization comparable?
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D001943:Breast Neoplasms / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D003131:Combined Modality Therapy; D005260:Female; D006801:Humans; D012189:Retrospective Studies; D013548:Sweden