@misc{indiciae3a0101c44f63,
  title = {Atrial septostomy.},
  author = {J Hamill and D Pickering and P Sleight},
  year = {1968},
  doi = {10.1136/bmj.2.5601.365-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/5648980/},
  note = {Source identifier: 5648980}
}