title: Refining systemic therapy for early breast cancer: difficulties with subtraction.
authors: St James's Institute of Oncology, St James Hospital, Beckett St, Leeds, UK. david.dodwell@leedsth.nhs.uk
authors: David
authors: D
authors: Dodwell
authors: Helen
authors: H
authors: Thorpe
authors: Robert
authors: R
authors: Coleman
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D001943:Breast Neoplasms / Q000188:drug therapy* / Q000473:pathology; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans