Age influences on Propofol estimated brain concentration and entropy during maintenance and at return of consciousness during total intravenous anesthesia with target-controlled infusion in unparalyzed patients: An observational prospective trial. - Linassi, Federico; Kreuzer, Matthias; Maran, Eleonora; Farnia, Antonio; Zanatta, Paolo; Navalesi, Paolo; Carron, Michele (PLoS ONE, 2020)