EGFR and KRAS Gene Mutations in 754 Patients with Resectable Stage I-IIIa Non-small Cell Lung Cancer and Its Clinical Significance - Jing ZHAO; Jie GAO; Liping GUO; Xiaoxu HU; Qi LIU; Jinyin ZHAO; Licheng LIU; Jun JIANG; Mengzhao WANG; Zhiyong LIANG; Yan XU; Minjiang CHEN; et al. (Chinese Journal of Lung Cancer, 2017)