@misc{indiciae58ba463b8c5e,
  title = {Perthes's disease.},
  author = {A Catterall},
  year = {1977},
  doi = {10.1136/bmj.1.6069.1145},
  url = {https://pubmed.ncbi.nlm.nih.gov/861508/},
  note = {Source identifier: 861508}
}