@misc{indiciae544e68f97333,
  title = {[Prolapsed umbilical cord].},
  author = {J de Haan and L A Stolte and G P van den Dongen},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5130777/},
  note = {Source identifier: 5130777}
}