@misc{indiciae6a31c55e9fd4,
  title = {Technetium-99m superior vena cavography.},
  author = {W S Maxfield and G R Meckstroth},
  year = {1969},
  doi = {10.1148/92.4.913},
  url = {https://pubmed.ncbi.nlm.nih.gov/5767774/},
  note = {Source identifier: 5767774}
}