@misc{indiciae710d0f61fe87,
  title = {Spondylitis in chronic ulcerative colitis.},
  author = {N J ZVAIFLER and W MARTEL},
  year = {1960},
  doi = {10.1002/art.1780030109},
  url = {https://pubmed.ncbi.nlm.nih.gov/13847951/},
  note = {Source identifier: 13847951}
}