@misc{indiciae735384b88f5c,
  title = {Knee extensor mechanism disorders.},
  author = {R P Johnson},
  year = {1990},
  doi = {10.1097/00002281-199002020-00008},
  url = {https://pubmed.ncbi.nlm.nih.gov/2203405/},
  note = {Source identifier: 2203405}
}