@misc{indiciae854c00eacf64,
  title = {Ventricular septal defect. Unresolved problems.},
  author = {J E Edwards},
  year = {1967},
  doi = {10.1016/0002-9149(67)90506-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/6027339/},
  note = {Source identifier: 6027339}
}