TY - GEN AU - Li,Lin AU - Zhang,Zijin AU - Bie,Zhixin AU - Wang,Zheng AU - Zhang,Ping AU - Nie,Xin AU - Li,Yuanming AU - Wang,Hui AU - Ai,Bin AU - Cheng,Gang TI - Epidermal growth factor receptor mutation analysis in cytological specimens and responsiveness to gefitinib in advanced non-small cell lung cancer patients SN - 1000-9604 PY - 2015///0709 N1 - Publication Type: Journal Article UR - https://doi.org/10.3978/j.issn.1000-9604.2015.05.03 ER -