@misc{indiciae146133ebfd08,
  title = {The perinatal period.},
  author = {G H Bush and J Norman},
  year = {1977},
  doi = {10.1093/bja/49.1.1},
  url = {https://pubmed.ncbi.nlm.nih.gov/831742/},
  note = {Source identifier: 831742}
}