British Journal of Anaesthesia
British Journal of Anaesthesia > 2015 > 114 > 2 > 252-260
British Journal of Anaesthesia > 2015 > 114 > 4 > 588-597
British Journal of Anaesthesia > 2015 > 115 > 3 > 444-448
British Journal of Anaesthesia > 2015 > 115 > 6 > 883-889