@misc{indiciae7446380a9e2b,
  title = {Leaflet motion in mitral stenosis.},
  author = {J A Levisman},
  year = {1977},
  doi = {10.1378/chest.71.1.4-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/830486/},
  note = {Source identifier: 830486}
}