Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education);
Department of Thoracic Medical Oncology;
Department of Integrative Medicine;
Peking University School of Oncology;
Beijing Cancer Hospital & Institute;
Beijing;
China;
Department of Clinical Oncology;
Chinese University of Hong Kong;
Hong Kong;
China;
Department of Oncology;
General Hospital of Navy;
Beijing;
China;
非小细胞肺癌; EGFR; 酪氨酸激酶抑制剂; 治疗; 延误; 变性高效液相色谱; 晚期; DHPLC;