@misc{indiciae95053f8b4dfb,
  title = {The premature breech.},
  author = {J P Calvert},
  year = {1979},
  doi = {10.1136/bmj.2.6184.274-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/476422/},
  note = {Source identifier: 476422}
}