@misc{indiciaed18674638ecf,
  title = {New developments for upper rate response in DDD pacing.},
  author = {J Warren and R Baker and E Falkenberg and R Sanders and J Vandegriff and R Calfee},
  year = {1986},
  doi = {10.1111/j.1540-8159.1986.tb06668.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2432507/},
  note = {Source identifier: 2432507}
}