@misc{indiciae8eab5d59b605,
  title = {Ankylosing spondylitis.},
  author = {R M MASON},
  year = {1959},
  doi = {10.1136/sti.35.2.71},
  url = {https://pubmed.ncbi.nlm.nih.gov/14422066/},
  note = {Source identifier: 14422066}
}