@misc{indiciae42c86b2ad19e,
  title = {Acute mitral incompetence.},
  author = {M J Raphael and R E Steiner and E B Raftery},
  year = {1967},
  doi = {10.1016/s0009-9260(67)80003-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/6023343/},
  note = {Source identifier: 6023343}
}