@misc{indiciaee00a0733a6d2,
  title = {Understanding Parkinson disease.},
  author = {J L Cummings},
  year = {1999},
  doi = {10.1001/jama.281.4.376},
  url = {https://pubmed.ncbi.nlm.nih.gov/9929094/},
  note = {Source identifier: 9929094}
}