@article{williams2009-19233037,
  author  = {Williams, D. R. and Lees, A. J.},
  title   = {{Progressive supranuclear palsy: clinicopathological concepts and diagnostic challenges}},
  journal = {The Lancet. Neurology},
  year    = {2009},
  doi     = {10.1016/s1474-4422(09)70042-0},
  pmid    = {19233037},
  url     = {https://doi.org/10.1016/s1474-4422(09)70042-0}
}