@article{thomas2020-32079673,
  author  = {Thomas, G. E. C. and Leyland, L. A. and Schrag, A. E. and Lees, A. J. and Acosta-Cabronero, J. and Weil, R. S.},
  title   = {{Brain iron deposition is linked with cognitive severity in Parkinson's disease}},
  journal = {Journal of neurology, neurosurgery, and psychiatry},
  year    = {2020},
  doi     = {10.1136/jnnp-2019-322042},
  pmid    = {32079673},
  url     = {https://doi.org/10.1136/jnnp-2019-322042}
}