Effect of Tidal Volume on Stroke Volume Variability and Patient Capacity Evaluation in Open Gastrointestinal Surgery 
WANG Weizhi,ZHONG Yuqi,ZHAO Yajuan,WANG Binbin,ZHAO Maohong
Chinese General Practice . 2019, (35): 4332 -4336 .  DOI: 10.12114/j.issn.1007-9572.2019.00.732