@article{archibald2009-19336464,
  author  = {Archibald, N. K. and Clarke, M. P. and Mosimann, U. P. and Burn, D. J.},
  title   = {{The retina in Parkinson's disease}},
  journal = {Brain : a journal of neurology},
  year    = {2009},
  doi     = {10.1093/brain/awp068},
  pmid    = {19336464},
  url     = {https://doi.org/10.1093/brain/awp068}
}