@misc{indiciaed337c3f0a964,
  title = {Letter: Exercise testing for heart diseases.},
  author = {S R Gambino and R S Galen},
  year = {1975},
  doi = {10.1056/nejm197512182932520},
  url = {https://pubmed.ncbi.nlm.nih.gov/1186835/},
  note = {Source identifier: 1186835}
}