@misc{indiciae3799d7603dca,
  title = {Long-term sequential changes in exercise capacity and chronotropic responsiveness after cardiac transplantation.},
  author = {M M Givertz and L H Hartley and W S Colucci},
  year = {1997},
  doi = {10.1161/01.cir.96.1.232},
  url = {https://pubmed.ncbi.nlm.nih.gov/9236439/},
  note = {Source identifier: 9236439}
}