title: Effect of adjuvant therapy in primary breast cancer in relation to the estrogen receptor level.
mesh_terms: D001943:Breast Neoplasms / Q000532:radiotherapy / Q000628:therapy*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D010349:Patient Compliance; D011960:Receptors, Estrogen / Q000187:drug effects / Q000378:metabolism*; D013629:Tamoxifen / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D011960:Receptors, Estrogen; D013629:Tamoxifen