@misc{indiciae28f9b6e65714,
  title = {Clinical trials in multiple sclerosis: methodological issues.},
  author = {Giancarlo Comi and Massimo Filippi},
  year = {2005},
  doi = {10.1097/01.wco.0000169740.91416.a2},
  url = {https://pubmed.ncbi.nlm.nih.gov/15891407/},
  note = {Source identifier: 15891407}
}