摘要

<正>1文献来源Oh IJ, Ban HJ, Kim KS,et al. Retreatment of Gefitinib in patients with non-small-cell lung cancer who previously controlled to Gefitinib: A single- arm, open-label, phase Ⅱ study [J]. Lung Cancer. 2012, 77(1): 121-127. 2证据水平