@misc{indiciaefd24f6481a64,
  title = {Progressive multifocal leukoencephalopathy: cerebral mass lesions.},
  author = {S H Preskorn and I Watanabe},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/515921/},
  note = {Source identifier: 515921}
}