@misc{indiciae4b113d6757dc,
  title = {The mitral closing snap.},
  author = {S Rodbard and A J Libanoff},
  year = {1972},
  doi = {10.1016/0002-8703(72)90102-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5010969/},
  note = {Source identifier: 5010969}
}