@misc{indiciae26fdde59316a,
  title = {Tear analysis in multiple sclerosis.},
  author = {P K Coyle and P A Sibony},
  year = {1986},
  doi = {10.1212/wnl.36.4.547},
  url = {https://pubmed.ncbi.nlm.nih.gov/3960331/},
  note = {Source identifier: 3960331}
}