@misc{indiciae80246c196dd0,
  title = {Living with artificial valves.},
  author = {J R Belcher},
  year = {1978},
  doi = {10.1136/bmj.2.6131.200-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/678845/},
  note = {Source identifier: 678845}
}