@misc{indiciaee46a5cd3f25f,
  title = {Aortic ball variance.},
  author = {A J Delman},
  year = {1972},
  doi = {10.1016/0002-8703(72)90159-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/5058323/},
  note = {Source identifier: 5058323}
}