High versus low mean arterial pressure target in liver transplant patients. An open, controlled, single-center, randomized clinical trial - Protocol and methods (LIVER-PAM). - Pedro RAM; Scharranch BC; Araújo LO; Brandão LS; Andrade LDC; Andraus W; D'Albuquerque LAC; Malbouisson LMS (Critical care science, 2023)