@misc{indiciae9a43bdcd7f13,
  title = {Positions during labour.},
  author = {D P CHAN},
  year = {1963},
  doi = {10.1136/bmj.1.5323.100},
  url = {https://pubmed.ncbi.nlm.nih.gov/14019983/},
  note = {Source identifier: 14019983}
}