Yin, Yongmei, Jun Wang, Xuedong Wang, Lan Gu, Hao Pei, Shougang Kuai, Yingying Zhang, and Zhongbo Shang. 2015. “ Prognostic Value of the Neutrophil to Lymphocyte Ratio in Lung Cancer: A Meta-Analysis ”. Clinics 70 (7): 524-30. https://doi.org/10.6061/clinics/2015(07)10.