@misc{indiciae86d0c4582214,
  title = {Pulmonary stenosis with normal aortic root.},
  author = {J F PANTRIDGE and R J MARSHALL and J T SHEPHERD},
  year = {1957},
  doi = {10.1007/bf02954604},
  url = {https://pubmed.ncbi.nlm.nih.gov/13448809/},
  note = {Source identifier: 13448809}
}