@article{Wulf:147215,
      author        = "Wulf, Verena and Pelaz García, Beatriz and Pino González
                       de la Higuera, Pablo del and Zhao, Yuanyuan and Martínez
                       de la Fuente, Jesús and Ruiz De Larramendi, Idoia and
                       Rojo, Teófilo and Liang, Xing-Jie and Parak, Wolfgang J.",
      title         = "{The challenge to relate the physicochemical properties of
                       colloidal nanoparticles to their cytotoxicity}",
      year          = "2013",
}