Yu B, Zhi X, Li Q, Xu B, et al. The efficacy and safety of preoperative cholangiography via percutaneous transhepatic gallbladder drainage (PTGBD) for difficult laparoscopic cholecystectomy (LC). Surg Endosc 2021 May 19. pii: 10.1007/s00464-021-08414.
PMID: 34013391