@article{levin1992-1584185,
  author  = {Levin, B. E. and Tomer, R. and Rey, G. J.},
  title   = {{Cognitive impairments in Parkinson's disease}},
  journal = {Neurologic clinics},
  year    = {1992},
  doi     = {10.1016/s0733-8619(18)30222-6},
  pmid    = {1584185},
  url     = {https://doi.org/10.1016/s0733-8619(18)30222-6}
}