@misc{indiciaeeca09a60d636,
  title = {Simplified method for estimating true aortic valve mean gradient from simultaneous left ventricular and peripheral arterial pressure recordings.},
  author = {E D Folland and A F Parisi and C Comei},
  year = {1990},
  doi = {10.1002/ccd.1810200413},
  url = {https://pubmed.ncbi.nlm.nih.gov/2208256/},
  note = {Source identifier: 2208256}
}