@misc{indiciaeab4a32f12977,
  title = {Does ageing aggravate parkinsonian disability?},
  author = {J Blin and B Dubois and A M Bonnet and M Vidailhet and M Brandabur and Y Agid},
  year = {1991},
  doi = {10.1136/jnnp.54.9.780},
  url = {https://pubmed.ncbi.nlm.nih.gov/1955894/},
  note = {Source identifier: 1955894}
}