@misc{indiciae7674ce232f17,
  title = {Primary progressive multiple sclerosis.},
  author = {Xavier Montalban},
  year = {2005},
  doi = {10.1097/01.wco.0000169742.37159.e9},
  url = {https://pubmed.ncbi.nlm.nih.gov/15891409/},
  note = {Source identifier: 15891409}
}