@article{fearnley1991-1933245,
  author  = {Fearnley, J. M. and Lees, A. J.},
  title   = {{Ageing and Parkinson's disease: substantia nigra regional selectivity}},
  journal = {Brain : a journal of neurology},
  year    = {1991},
  doi     = {10.1093/brain/114.5.2283},
  pmid    = {1933245},
  url     = {https://doi.org/10.1093/brain/114.5.2283}
}