@misc{indiciae642a04eea4a3,
  title = {Polymethylmethacrylate in the knee.},
  author = {T Hallel and E A Salvati and P M Botero},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/1270477/},
  note = {Source identifier: 1270477}
}