title: Long-term adjuvant therapy with tamoxifen in breast cancer: how long is long?
mesh_terms: D001943:Breast Neoplasms / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D003131:Combined Modality Therapy; D004334:Drug Administration Schedule; D005260:Female; D006801:Humans; D008593:Menopause; D011956:Receptors, Cell Surface / Q000378:metabolism; D013629:Tamoxifen / Q000008:administration & dosage*
chemical_list: D011956:Receptors, Cell Surface; D013629:Tamoxifen