@misc{indiciae9a42b93e96b5,
  title = {Twin ring retractor for the postpartum cervix.},
  author = {H W SEIGER},
  year = {1960},
  doi = {10.1016/0002-9378(60)90258-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/14444628/},
  note = {Source identifier: 14444628}
}