@misc{indiciaee9d96345587a,
  title = {Pulmonary valve echo motion in clinical practice.},
  author = {A E Weyman},
  year = {1977},
  doi = {10.1016/0002-9343(77)90651-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/868897/},
  note = {Source identifier: 868897}
}