@misc{indiciaea831faffef48,
  title = {Multiple-sclerosis-associated agent.},
  author = {D L Madden and A G Krezlewicz and M Gravell and J L Sever and W W Tourtellotte},
  year = {1977},
  doi = {10.1016/s0140-6736(77)90910-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/72308/},
  note = {Source identifier: 72308}
}