@article{CampsHerrero:99343,
      author        = "Camps Herrero, C. and Anton Torres, A. and
                       Cruz-Hernández, J.J. and Carrato, A. and Constenla, M. and
                       Díaz-Rubio, E. and Feyjoo Saus, M.. and Garcia-Foncillas,
                       J. and Gascón, P. and Guillem, V.",
      title         = "{Working towards a consensus on the oncological approach
                       of breakthrough pain: A Delphi survey of Spanish experts}",
      year          = "2019",
}