@misc{indiciaebcbaf11538ad,
  title = {Multiple sclerosis following optic neuritis in Chile.},
  author = {G Alvarez and M Cárdenas},
  year = {1989},
  doi = {10.1136/jnnp.52.1.115},
  url = {https://pubmed.ncbi.nlm.nih.gov/2709019/},
  note = {Source identifier: 2709019}
}