@misc{indiciae370d50e3ab07,
  title = {Calcific pulmonary stenosis.},
  author = {L E Alday and E Moreyra},
  year = {1973},
  doi = {10.1136/hrt.35.9.887},
  url = {https://pubmed.ncbi.nlm.nih.gov/4741914/},
  note = {Source identifier: 4741914}
}