@misc{indiciae8fb7da3ce61b,
  title = {A decrease in fetal pH during the second stage of labour, when conducted in the dorsal position.},
  author = {M D Humphrey and A Chang and E C Wood and S Morgan and D Hounslow},
  year = {1974},
  doi = {10.1111/j.1471-0528.1974.tb00524.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4418439/},
  note = {Source identifier: 4418439}
}