@misc{indiciaecd9268005fd3,
  title = {Progressive multifocal leukoencephalopathy.},
  author = {L W Lyon and W F McCormick and S S Shochet},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/4328532/},
  note = {Source identifier: 4328532}
}