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Quality of Life in Hormone Receptor–Positive HER-2 (cid:1) Metastatic Breast Cancer Patients During Treatment with Letrozole Alone or in Combination with Lapatinib

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Lapatinib plus Letrozole as First-Line Therapy for HER-2 (cid:1) Hormone Receptor–Positive Metastatic Breast Cancer

J. Maltzman, A. Florance, S., 2010 .