Effect of age on intraoperative cerebrovascular autoregulation and near-infrared spectroscopy-derived cerebral oxygenation. - Burkhart, C. S.; Rossi, A.; Dell-Kuster, S.; Gamberini, M.; Möckli, A.; Siegemund, M.; Czosnyka, M.; Strebel, S. P.; Steiner, L. A. (BJA: The British Journal of Anaesthesia, 2011)