Trastuzumab Plus Anastrozole Versus Anastrozole Alone for the Treatment of Postmenopausal Women With Human Epidermal Growth Factor Receptor 2–Positive, Hormone Receptor–Positive Metastatic Breast Cancer: Results From the Randomized Phase III TAnDEM StudyBella Kaufman, Alison Jones, A. Feyereislova et al.|Journal of Clinical Oncology|2009Cited by 850