@misc{indiciae855eb2afec1f,
  title = {[Osteolytic defects in ankylosing spondylitis].},
  author = {A J van der Linden},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5680146/},
  note = {Source identifier: 5680146}
}