@misc{indiciae1998ead8b62a,
  title = {Persistent left superior vena cava.},
  author = {S A Nanivadekar and A S Vengsarkar and G B Parulkar and M D Kelkar and P K Sen},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4637591/},
  note = {Source identifier: 4637591}
}