@misc{indiciaef59524eafee8,
  title = {Multiple sclerosis in twins.},
  author = {A Williams and R Eldridge and H McFarland and S Houff and H Krebs and D McFarlin},
  year = {1980},
  doi = {10.1212/wnl.30.11.1139},
  url = {https://pubmed.ncbi.nlm.nih.gov/7191511/},
  note = {Source identifier: 7191511}
}