@misc{indiciaec7630f6f718b,
  title = {Ankylosing spondylitis and multiple sclerosis.},
  author = {N Libbrecht and J De Bleecker},
  doi = {10.1080/17843286.1999.11754206},
  url = {https://pubmed.ncbi.nlm.nih.gov/10192975/},
  note = {Source identifier: 10192975}
}