title: Sequential single-agent chemotherapy for metastatic breast cancer: therapeutic nihilism or realism?
authors.forename: Andrew D
authors.initials: AD
authors.lastname: Seidman
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000008:administration & dosage*; D001943:Breast Neoplasms / Q000188:drug therapy* / Q000556:secondary; D004334:Drug Administration Schedule; D005260:Female; D006801:Humans