@misc{indiciaefd8da9fdea0d,
  title = {Ankylosing spondylitis.},
  author = {T R Cullinan and B Christie},
  year = {1972},
  doi = {10.1136/bmj.2.5810.400},
  url = {https://pubmed.ncbi.nlm.nih.gov/4336925/},
  note = {Source identifier: 4336925}
}