Assessing the discriminative ability of the respiratory exchange ratio to detect hyperlactatemia during intermediate-to-high risk abdominal surgery oleh Lydia Karam, Olivier Desebbe, Sean Coeckelenbergh, Brenton Alexander, Nicolas Colombo, Edita Laukaityte, Hung Pham, Marc Lanteri Minet, Leila Toubal, Maya Moussa, Salima Naili, Jacques Duranteau, Jean-Louis Vincent, Philippe Van der Linden, Alexandre Joosten