@misc{indiciae5d74905cb58c,
  title = {[Cardiotochography].},
  author = {Z Kornacki and Z Czajkowski and A Szczygielski},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/4931191/},
  note = {Source identifier: 4931191}
}