@article{Canga:75903,
      author        = "Canga, L. and Navarro, A. and Bolea, J. and Remartinez,
                       J.M. and Laguna, P. and Bailon, R.",
      title         = "{Non-linear analysis of heart rate variability and its
                       application to predict hypotension during spinal anesthesia
                       for cesarean delivery}",
      year          = "2012",
}