@misc{indiciaef79e95268c8b,
  title = {Methotrexate for ankylosing spondylitis.},
  author = {J Chen and C Liu and J Lin},
  year = {2006},
  doi = {10.1002/14651858.cd004524.pub3},
  url = {https://pubmed.ncbi.nlm.nih.gov/17054209/},
  note = {Source identifier: 17054209}
}