Lee DH, Park YH, Kwon OS, Kim D, et al. Laparoscopic cholecystectomy in patients with previous upper midline abdominal surgery: comparison of laparoscopic cholecystectomy after gastric surgery and non-gastric surgery using propensity score matching. Surg Endosc 2021 Mar 26. pii: 10.1007/s00464-021-08427.
PMID: 33770277