title: The dubious case for conservative operation in operable cancer of the breast.
mesh_terms: D001943:Breast Neoplasms / Q000532:radiotherapy / Q000601:surgery*; D003036:Cobalt Isotopes / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008197:Lymph Node Excision; D008408:Mastectomy
chemical_list: D003036:Cobalt Isotopes