@misc{indiciaede747201bc95,
  title = {Improbability and substantia nigra.},
  author = {H L Klawans},
  year = {1968},
  doi = {10.1056/nejm196812192792520},
  url = {https://pubmed.ncbi.nlm.nih.gov/5697536/},
  note = {Source identifier: 5697536}
}