@misc{indiciaeb3c9b2318f6f,
  title = {Fetal ECG during labour: a presentation of a microprocessor system.},
  author = {H Lilja and S Arulkumaran and K Lindecrantz and S S Ratnam and K G Rosén},
  year = {1988},
  doi = {10.1016/0141-5425(88)90066-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/3236855/},
  note = {Source identifier: 3236855}
}