@misc{indiciaee06cea08bb40,
  title = {Plasmapheresis in progressive MS.},
  author = {B O Khatri and M P McQuillen and G J Harrington and D Schmoll and R G Hoffmann},
  year = {1985},
  doi = {10.1212/wnl.35.4.614},
  url = {https://pubmed.ncbi.nlm.nih.gov/3982658/},
  note = {Source identifier: 3982658}
}