@misc{indiciae453c799fdbde,
  title = {An epidemiologic approach to multiple sclerosis.},
  author = {J F Kurtzke},
  year = {1966},
  doi = {10.1001/archneur.1966.00470080097015},
  url = {https://pubmed.ncbi.nlm.nih.gov/4952448/},
  note = {Source identifier: 4952448}
}