Enhanced recovery after surgery (ERAS) program in elderly patients undergoing laparoscopic hepatectomy: a retrospective cohort study - Jiang, Wenbin; Mao, Qijiang; Xie, Yangyang; Ying, Hanning; Xu, Hongxia; Ge, Huiqing; Feng, Lijun; Liu, Hui; Li, Jianhua; Liang, Xiao (Translational Cancer Research; Vol 9, No 8 (August 23, 2020): Translational Cancer Research, 2020)