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, Rodolpho Augusto de Moura; Scharanch, Bruna Carla; Araújo, Lucas de Oliveira; Brandão, Luciana Severo; Andrade, Lucia da Conceição; Andraus, Wellington; D’Albuquerque, Luiz Augusto Carneiro; Malbouisson, Luiz Marcelo Sá (Critical care science, 2023)