@article{Villegas:133157,
      author        = "Villegas, Francisco and Martínez-Borba, Verónica and
                       Suso-Ribera, Carlos and Castilla, Diana and Zaragoza, Irene
                       and García-Palacios, Azucena and Ferrer, Carlos",
      title         = "{Characterizing Breakthrough Cancer Pain Using Ecological
                       Momentary Assessment with a Smartphone App: Feasibility and
                       Clinical Findings}",
      year          = "2021",
}