@article{MartinezMartinez:130658,
      author        = "Martinez Martinez, A.B. and Longas Valien, J. and Ramirez
                       Rodriguez, J.M.",
      title         = "{A new clinical guideline for the application of enhanced
                       recovery protocols (ERPs) in colorectal surgery: an update
                       of the evidence levels for the measures to be applied?}",
      year          = "2018",
}