@misc{indiciae7c386e4410e8,
  title = {Letter: Murmurs and prostheses.},
  author = {E J Epstein and N Coulshed},
  year = {1975},
  doi = {10.1161/01.cir.52.5.965},
  url = {https://pubmed.ncbi.nlm.nih.gov/1175279/},
  note = {Source identifier: 1175279}
}