@misc{indiciaefdce4619efb2,
  title = {Resting and exercise systolic intervals.},
  author = {A M Weissler},
  year = {1972},
  doi = {10.1161/01.cir.46.3.633},
  url = {https://pubmed.ncbi.nlm.nih.gov/5071745/},
  note = {Source identifier: 5071745}
}