@misc{indiciaeb3adaeddd636,
  title = {Improved torsion swing.},
  author = {N Martin},
  year = {1968},
  doi = {10.1001/archotol.1968.00770010209022},
  url = {https://pubmed.ncbi.nlm.nih.gov/5662934/},
  note = {Source identifier: 5662934}
}