@misc{indiciae8ddc9926b812,
  title = {The 'breech head' and its relevance.},
  author = {C M Haberkern and D W Smith and K L Jones},
  year = {1979},
  doi = {10.1001/archpedi.1979.02130020044009},
  url = {https://pubmed.ncbi.nlm.nih.gov/420184/},
  note = {Source identifier: 420184}
}