@misc{indiciaee24dd32335ed,
  title = {Of papillary muscle dysfunction murmurs.},
  author = {G E Burch},
  year = {1980},
  doi = {10.1016/0002-8703(80)90288-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/7386357/},
  note = {Source identifier: 7386357}
}