Neutrophil-lymphocyte ratio as a prognostic factor for stereotactic body radiotherapy treatment of metastatic liver tumors - Xie, Xuyun; Shan, Jingjing; Zhou, Xuan; Liu, Hai; Sun, Xiaonan (Translational Cancer Research; Vol 9, No 9 (September 24, 2020): Translational Cancer Research, 2020)