@misc{indiciae18bf3a48deab,
  title = {Rate-responsive pacing based on sympathetic activity.},
  author = {H Hutten and M Schaldach},
  year = {1993},
  doi = {10.1007/bf02446658},
  url = {https://pubmed.ncbi.nlm.nih.gov/8231312/},
  note = {Source identifier: 8231312}
}