@misc{indiciaed4ed44586d4d,
  title = {Accelerometer-based adaptive-rate pacing: a multicenter study. European EXCEL Study Group.},
  author = {R G Charles and J P Heemels and B L Westrum},
  year = {1993},
  doi = {10.1111/j.1540-8159.1993.tb01604.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7681193/},
  note = {Source identifier: 7681193}
}