@misc{indiciaef397a821b94c,
  title = {Atrial septal defect--secundum type.},
  author = {A G Zaver and A S Nadas},
  year = {1965},
  doi = {10.1161/01.cir.32.6s3.iii-24},
  url = {https://pubmed.ncbi.nlm.nih.gov/4953134/},
  note = {Source identifier: 4953134}
}