@misc{indiciae86871758faa3,
  title = {Geographical considerations in multiple sclerosis.},
  author = {U Leibowitz and D Sharon and M Alter},
  year = {1967},
  doi = {10.1093/brain/90.4.871},
  url = {https://pubmed.ncbi.nlm.nih.gov/6075816/},
  note = {Source identifier: 6075816}
}