@misc{indiciae609856467b7e,
  title = {Using the proportional hazards model to study heart valve replacement data.},
  author = {B D Bunday and V A Kiri and K D Stoodley},
  doi = {10.3109/14639239209012136},
  url = {https://pubmed.ncbi.nlm.nih.gov/1640775/},
  note = {Source identifier: 1640775}
}