@misc{indiciae48908247c3d3,
  title = {Faulty heart valves.},
  author = {P Hedger},
  year = {1990},
  doi = {10.1136/bmj.301.6749.443-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/2282409/},
  note = {Source identifier: 2282409}
}