Prognostic value of combined preoperative prognostic nutritional index and neutrophil to lymphocyte ratio in esophageal squamous cell carcinoma - Zhang, Jiandong; Zhang, Yan; Yv, Xinshuang; Song, Meijuan; Zhang, Fang; Tian, Xiufang; Lv, Yajuan (Translational Cancer Research; Vol 9, No 9 (September 24, 2020): Translational Cancer Research, 2020)