@misc{indiciae50a09218888d,
  title = {Severe spondylolisthesis.},
  author = {J A Herring and D S Bradford},
  doi = {10.1097/01241398-198511000-00025},
  url = {https://pubmed.ncbi.nlm.nih.gov/4066956/},
  note = {Source identifier: 4066956}
}