Robertson, John F R Fulvestrant 500 mg versus anastrozole 1 mg for the first-line treatment of advanced breast cancer: follow-up analysis from the randomized 'FIRST' study. [electronic resource] - Breast cancer research and treatment Nov 2012 - 503-11 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1573-7217 Standard No.: 10.1007/s10549-012-2192-4 doi Subjects--Topical Terms: AnastrozoleAntineoplastic Agents, Hormonal--administration & dosageBreast Neoplasms--drug therapyEstradiol--administration & dosageFemaleFollow-Up StudiesFulvestrantHumansNeoplasm StagingNitriles--administration & dosageTreatment OutcomeTriazoles--administration & dosage