@misc{indiciae59612b3a0f9d,
  title = {[Comparative intranatal and postnatal electrocardiography in normal labor].},
  author = {M Wunderlich and R Bergner and H J Petermann},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/595965/},
  note = {Source identifier: 595965}
}