@misc{indiciaea91a6285228d,
  title = {Developing a labor and delivery patient classification system.},
  author = {G H Williams and J J Anderson},
  year = {1992},
  doi = {10.1097/00006247-199210000-00019},
  url = {https://pubmed.ncbi.nlm.nih.gov/1407844/},
  note = {Source identifier: 1407844}
}