@misc{indiciae1b80ebdb5aed,
  title = {The single umbilical artery.},
  author = {P Davies},
  year = {1969},
  doi = {10.1111/j.1469-8749.1969.tb01446.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5794169/},
  note = {Source identifier: 5794169}
}