@misc{indiciaed230ea50e6b1,
  title = {Active labor.},
  author = {B N Littlepage},
  year = {1969},
  doi = {10.1136/bmj.3.5671.654},
  url = {https://pubmed.ncbi.nlm.nih.gov/5811688/},
  note = {Source identifier: 5811688}
}