@misc{indiciae6ff7cbbd41fe,
  title = {"Spontaneous" progressive multifocal leukoencephalopathy. Immunologic aspects.},
  author = {A Knight and P O'Brien and D Osoba},
  year = {1972},
  doi = {10.7326/0003-4819-77-2-229},
  url = {https://pubmed.ncbi.nlm.nih.gov/4264546/},
  note = {Source identifier: 4264546}
}