@misc{indiciae69b752a1a87d,
  title = {Two in one retractor.},
  author = {S G Economou},
  year = {1973},
  doi = {10.1016/s0002-9610(73)80113-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4714771/},
  note = {Source identifier: 4714771}
}