@misc{indiciae61ed5997403d,
  title = {[Fetus presentation and cervix dilatation. New data based on experimental studies].},
  author = {H Siener and L Wüst},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4645290/},
  note = {Source identifier: 4645290}
}