@misc{indiciaee1b4804dd8e6,
  title = {Exacerbations in parkinsonism.},
  author = {M E GRANGER},
  year = {1961},
  doi = {10.1212/wnl.11.6.538},
  url = {https://pubmed.ncbi.nlm.nih.gov/13707839/},
  note = {Source identifier: 13707839}
}