@misc{indiciaeede8c18b353b,
  title = {Heart-rate guidelines for exercise.},
  author = {W G Hornsby},
  year = {1991},
  doi = {10.2337/diacare.14.8.766},
  url = {https://pubmed.ncbi.nlm.nih.gov/1796990/},
  note = {Source identifier: 1796990}
}