Phan, Thang Thanh The prognostic impact of neutrophil to lymphocyte ratio in advanced non-small cell lung cancer patients treated with EGFR TKI. [electronic resource] - International journal of general medicine 2018 - 423-430 p. digital Publication Type: Journal Article ISSN: 1178-7074 Standard No.: 10.2147/IJGM.S174605 doi