@misc{indiciaebce40670416c,
  title = {Up tempo, down tempo.},
  author = {R M Pearson},
  year = {1990},
  doi = {10.1136/hrt.64.6.354},
  url = {https://pubmed.ncbi.nlm.nih.gov/1980199/},
  note = {Source identifier: 1980199}
}