@misc{indiciae16c92dc3b0d5,
  title = {Persistent left superior vena cava.},
  author = {W SIPILA and J HAKKILA and P E HEIKEL and K E KYLLONEN},
  year = {1955},
  url = {https://pubmed.ncbi.nlm.nih.gov/13327569/},
  note = {Source identifier: 13327569}
}