@article{Martensetal2014,
  title = {Epidural electrocorticography for monitoring of arousal in locked-in state},
  journal = {Frontiers in Human Neuroscience},
  volume = {8},
  number = {861},
  year = {2014},
  author = {Martens, S. and Bensch, M. and Halder, S. and Hill, J. and Nijboer, F. and Ramos-Murguialday, A. and Sch{\"o}lkopf, B. and Birbaumer, N. and Gharabaghi, A.},
  doi = {10.3389/fnhum.2014.00861}
}