@misc{indiciaeb145a9fb68a5,
  title = {Exercise testing three weeks after myocardial infarction.},
  author = {J W Smith and C A Dennis and A Gassmann and J A Gaines and M Staman and B Phibbs and F I Marcus},
  year = {1979},
  doi = {10.1378/chest.75.1.12},
  url = {https://pubmed.ncbi.nlm.nih.gov/421516/},
  note = {Source identifier: 421516}
}