@misc{indiciaefe5228a51d44,
  title = {Geographical considerations in multiple sclerosis.},
  author = {U Leibowitz and D Sharon and M Alter},
  year = {1968},
  doi = {10.1093/brain/91.1.37},
  url = {https://pubmed.ncbi.nlm.nih.gov/5643282/},
  note = {Source identifier: 5643282}
}