@misc{indiciae55146fa1c20c,
  title = {Silicone for osteoarthritic joints.},
  author = {B Helal},
  year = {1971},
  doi = {10.1136/bmj.2.5762.654-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/5580740/},
  note = {Source identifier: 5580740}
}