@misc{indiciaef5a62b2c25c6,
  title = {Umbilical artery flow velocity waveforms during spinal anesthesia.},
  author = {F M Fairlie and I Kirkwood and G D Lang and C D Sheldon},
  year = {1991},
  doi = {10.1016/0028-2243(91)90199-u},
  url = {https://pubmed.ncbi.nlm.nih.gov/1988323/},
  note = {Source identifier: 1988323}
}