@misc{indiciae721559ce69b6,
  title = {A midsystolic ejection click.},
  author = {W D Towne and R Patel and J B Cruz and R Rathod and B Mirrer},
  year = {1980},
  doi = {10.1378/chest.77.2.223},
  url = {https://pubmed.ncbi.nlm.nih.gov/7353423/},
  note = {Source identifier: 7353423}
}