@misc{indiciaea1722382efea,
  title = {Flexible retractor.},
  author = {T SATO},
  year = {1959},
  doi = {10.1016/s0002-9394(14)78203-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/13649835/},
  note = {Source identifier: 13649835}
}