Comparison between the difficulty of laparoscopic limited liver resections of tumors located in segment 7 versus segment 8: an international multicenter propensity-score matched study - Efanov, Mikhail; Salimgereeva, Diana; Alikhanov, Ruslan; Wu, Andrew G. R; Geller, David; Cipriani, Federica; Aghayan, Davit L; Fretland, Asmund Avdem; Sijberden, Jasper; Herman, Paulo (Journal of hepato-biliary-pancreatic sciences, 2023)