@misc{indiciaeb01d7867d8da,
  title = {Problems associated with mechanical heart valve sounds.},
  author = {D Limb and P H Kay and A J Murday},
  year = {1992},
  doi = {10.1016/1010-7940(92)90136-l},
  url = {https://pubmed.ncbi.nlm.nih.gov/1449815/},
  note = {Source identifier: 1449815}
}