@misc{indiciae1cae56134c15,
  title = {Letter: S.S.P.E. and multiple sclerosis.},
  author = {A J Furlan and A D Rothner},
  year = {1974},
  doi = {10.1016/s0140-6736(74)90594-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4135276/},
  note = {Source identifier: 4135276}
}