@misc{indiciae469067c67c5e,
  title = {Left-to-right shunts. (Quantification, mathematical methods and their statistical comparison).},
  author = {P P Ferretti and A Benini and A Borrini and G Ugolotti},
  doi = {10.1007/bf02932181},
  url = {https://pubmed.ncbi.nlm.nih.gov/397603/},
  note = {Source identifier: 397603}
}