@misc{indiciae68d4fd31cced,
  title = {Progressive multifocal leukoencephalopathy. A virus disease?},
  author = {J Muller and I Watanabe},
  year = {1967},
  doi = {10.1093/ajcp/47.2.114},
  url = {https://pubmed.ncbi.nlm.nih.gov/4193140/},
  note = {Source identifier: 4193140}
}