@misc{indiciae7bce13c27d77,
  title = {Aortitis and ankylosing spondylitis.},
  author = {J H Baron},
  year = {1969},
  doi = {10.1016/s0140-6736(69)91125-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4177996/},
  note = {Source identifier: 4177996}
}