@misc{indiciae8993de6f3427,
  title = {Prolonged and abnormal labor.},
  author = {H Schulman},
  year = {1966},
  doi = {10.1016/s0002-9378(16)34751-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/5940072/},
  note = {Source identifier: 5940072}
}