@misc{indiciae7a880b534652,
  title = {Physical activity after myocardial infarction.},
  author = {W L Haskell},
  year = {1974},
  doi = {10.1016/0002-9149(74)90220-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/4824849/},
  note = {Source identifier: 4824849}
}