@misc{indiciaea7c02415b3f0,
  title = {Feedback-influenced heart rate discrimination.},
  author = {L H Epstein and D B Stein},
  year = {1974},
  doi = {10.1037/h0037065},
  url = {https://pubmed.ncbi.nlm.nih.gov/4455723/},
  note = {Source identifier: 4455723}
}