@misc{indiciae063c4cd77f6a,
  title = {Protracted labour.},
  author = {S PARVIAINEN and O INGMAN},
  year = {1950},
  doi = {10.3109/00016345009164764},
  url = {https://pubmed.ncbi.nlm.nih.gov/14799174/},
  note = {Source identifier: 14799174}
}