@misc{indiciae6d36592eedc6,
  title = {Posture in labour.},
  author = {P Stewart and H Spiby},
  year = {1989},
  doi = {10.1111/j.1471-0528.1989.tb03221.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2692696/},
  note = {Source identifier: 2692696}
}