@misc{indiciae7419d5831e27,
  title = {The Sheffield knee prosthesis.},
  author = {R Elson and N Watts},
  year = {1974},
  doi = {10.1002/jbm.820080410},
  url = {https://pubmed.ncbi.nlm.nih.gov/4416610/},
  note = {Source identifier: 4416610}
}