@misc{indiciae5f0585325f03,
  title = {NORMAL LABOR IN VERTEX PRESENTATION.},
  author = {L A CIBILS and C H HENDRICKS},
  year = {1965},
  doi = {10.1016/0002-9378(65)90254-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/14258266/},
  note = {Source identifier: 14258266}
}