@misc{indiciae1a46dc12ac01,
  title = {[Progressive multifocal leukoencephalopathy].},
  author = {W Papierz and J Alwasiak and A Prusiński},
  year = {1983},
  url = {https://pubmed.ncbi.nlm.nih.gov/6669234/},
  note = {Source identifier: 6669234}
}