A multicenter survey of first-line treatment patterns and gene aberration test status of patients with unresectable Stage IIIB/IV nonsquamous non-small cell lung cancer in China (C... oleh Qing Zhou, Yong Song, Xin Zhang, Gong-Yan Chen, Dian-Sheng Zhong, Zhuang Yu, Ping Yu, Yi-Ping Zhang, Jian-Hua Chen, Yi Hu, Guo-Sheng Feng, Xia Song, Qiang Shi, Lu Lu Yang, Ping Hai Zhang, Yi-Long Wu