Pretreatment neutrophil-to-lymphocyte ratio is a predictive biomarker for EGFR TKI-treated patients with advanced EGFR- mutant Non-small cell lung cancer

Cong Xu, Xiaojun Yao, Ting Li, Jue Wang, Bo An, Jing Wang, Xinbing Sui, Elaine Lai-Han Leung, Qibiao Wu