@misc{indiciae377ee73e0c70,
  title = {Ankylosing spondylitis: yesterday and today.},
  author = {D G Spencer and R D Sturrock and W W Buchanan},
  year = {1980},
  doi = {10.1017/s0025727300039788},
  url = {https://pubmed.ncbi.nlm.nih.gov/6990121/},
  note = {Source identifier: 6990121}
}