1文献来源Bachelot T,Bourgier C,Cropet C,et al.Randomized phase Ⅱ trial of Everolimus in combination with Tamoxifen in patients with hormone receptor-positive,human epidermal growth factor receptor2-negative metastatic breast cancer with prior exposure to aromatase inhibitors:A GINECO study[J].J Clin Oncol,2012,30(22):2718-2724.2证据水平1b。
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