@misc{indiciae45d14e85d775,
  title = {Placental oxygen tensions: differences between veins.},
  author = {J Lumley and A Walker and C Wood},
  year = {1972},
  doi = {10.1016/0002-9378(72)90573-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4635725/},
  note = {Source identifier: 4635725}
}