@article{braak2006-16814807,
  author  = {Braak, H. and Rüb, U. and Del Tredici, K.},
  title   = {{Cognitive decline correlates with neuropathological stage in Parkinson's disease}},
  journal = {Journal of the neurological sciences},
  year    = {2006},
  doi     = {10.1016/j.jns.2006.05.011},
  pmid    = {16814807},
  url     = {https://doi.org/10.1016/j.jns.2006.05.011}
}