@misc{indiciae1eeedf62e2a4,
  title = {The second heart sound.},
  author = {A KARDALINOS},
  year = {1962},
  doi = {10.1016/0002-8703(62)90245-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/13962473/},
  note = {Source identifier: 13962473}
}