@misc{indiciae417414b43b74,
  title = {Single umbilical artery.},
  author = {R J Harris and G Van Leeuwen},
  year = {1968},
  doi = {10.1016/s0022-3476(68)80407-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5688714/},
  note = {Source identifier: 5688714}
}