title: Systemic adjuvant therapy for node-negative breast cancer: proven or premature?
authors.affiliation: Sunnybrook Medical Centre, Toronto, Ontario.
authors.forename: K I
authors.initials: KI
authors.lastname: Pritchard
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; D008207:Lymphatic Metastasis; D011960:Receptors, Estrogen / Q000032:analysis; D012008:Recurrence; D013629:Tamoxifen / Q000627:therapeutic use
chemical_list: D011960:Receptors, Estrogen; D013629:Tamoxifen