@misc{indiciae81bc047c8780,
  title = {Knee-action card holder.},
  author = {E F CUMMINGS},
  year = {1954},
  doi = {10.1016/s0022-5347(17)67782-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/13131466/},
  note = {Source identifier: 13131466}
}