Can serum be used for analyzing the EGFR mutation status in patients with advanced non-small cell lung cancer?

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@article{Kim2013CanSB, title={Can serum be used for analyzing the EGFR mutation status in patients with advanced non-small cell lung cancer?}, author={Seung Tae Kim and Hae-Yun Jung and Jae Sook Sung and Uk Jo and Tomoaki Tanaka and Koichi Hagiwara and Kyong Park and Sang Won Shin and Jun Suk Kim and Yeul Hong Kim}, journal={American journal of clinical oncology}, year={2013}, volume={36 1}, pages={57-63} }