Laparoscopic sleeve gastrectomy with four ports and posterior gastric wall dissection first: a report of 122 cases
WU Lisheng, YU Jianwei, LI Yu, DAI Congcong
Journal of Surgery Concepts & Practice . 2020, (05): 422 -425 .  DOI: 10.16139/j.1007-9610.2020.05.014