@article{Diaz:84368,
      author        = "Diaz, E. and Kumar, B.N. and Gimeno-Feliu, L.A. and
                       Calderon-Larrañaga, A. and Poblador-Pou, B. and
                       Prados-Torres, A.",
      title         = "{Multimorbidity among registered immigrants in Norway: the
                       role of reason for migration and length of stay}",
      year          = "2015",
}