@misc{indiciae964afc27d76c,
  title = {Prolonged labor.},
  author = {W Z BRADFORD and J H E WOLTZ and W B BRADFORD},
  year = {1949},
  doi = {10.1016/0002-9378(49)90786-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/15397453/},
  note = {Source identifier: 15397453}
}