@misc{indiciaec033c7879271,
  title = {Heart valve replacement in the elderly.},
  author = {J S Wright},
  year = {1978},
  doi = {10.1136/bmj.2.6152.1641-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/728762/},
  note = {Source identifier: 728762}
}