title: Node negative breast cancer.
authors.affiliation: Imperial Cancer Research Fund Clinical Oncology Unit, Guy's Hospital, London.
authors.forename: S M
authors.initials: SM
authors.lastname: O'Reilly
authors.forename: M A
authors.initials: MA
authors.lastname: Richards
mesh_terms: D001943:Breast Neoplasms / Q000191:economics / Q000473:pathology* / Q000628:therapy; D003131:Combined Modality Therapy; D003365:Costs and Cost Analysis; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D009362:Neoplasm Metastasis; D011379:Prognosis; D013629:Tamoxifen / Q000627:therapeutic use
chemical_list: D013629:Tamoxifen