@misc{indiciaec4cd29479730,
  title = {Pirfenidone for chronic progressive multiple sclerosis.},
  author = {J E Walker and S B Margolin},
  year = {2001},
  doi = {10.1177/135245850100700506},
  url = {https://pubmed.ncbi.nlm.nih.gov/11724446/},
  note = {Source identifier: 11724446}
}