@article{oksala2009-19620138,
  author  = {Oksala, N. K. and Jokinen, H. and Melkas, S. and Oksala, A. and Pohjasvaara, T. and Hietanen, M. and Vataja, R. and Kaste, M. and others},
  title   = {{Cognitive impairment predicts poststroke death in long-term follow-up}},
  journal = {Journal of neurology, neurosurgery, and psychiatry},
  year    = {2009},
  doi     = {10.1136/jnnp.2009.174573},
  pmid    = {19620138},
  url     = {https://doi.org/10.1136/jnnp.2009.174573}
}