@article{Hadrup:97223,
      author        = "Hadrup, N. and Aimonen, K. and Ilves, M. and Lindberg, H.
                       and Atluri, R. and Sahlgren, N.M. and Jacobsen, N.R. and
                       Barfod, K.K. and Berthing, T. and Lawlor, A. and Norppa, H.
                       and Wolff, H. and Jensen, K.A. and Hougaard, K.S. and
                       Alenius, H. and Catalan, J. and Vogel, U.",
      title         = "{Pulmonary toxicity of synthetic amorphous
                       silica–effects of porosity and copper oxide doping}",
      year          = "2020",
}