Unwanted spontaneous responsiveness and burst suppression in patients undergoing entropy-guided total intravenous anesthesia with target-controlled infusion: An observational prospective trial. - Linassi, Federico; Kreuzer, Matthias; Kratzer, Stephan; Olivieri, Sara; Zanatta, Paolo; Schneider, Gerhard; Carron, Michele (Journal of Clinical Anesthesia, 2023)