The discriminatory value of cardiorespiratory interactions in distinguishing awake from anaesthetised states: a randomised observational study. - Kenwright, D. A.; Bernjak, A.; Draegni, T.; Dzeroski, S.; Entwistle, M.; Horvat, M.; Kvandal, P.; Landsverk, S. A.; McClintock, P. V. E.; Musizza, B.; Petrovčič, J.; Raeder, J.; et al. (Anaesthesia, 2015)