@misc{indiciaec7bbf4d1c30d,
  title = {Cardiac output-based versus empirically programmed AV interval--how different are they?},
  author = {E Crystal and I E Ovsyshcher},
  year = {1999},
  doi = {10.1053/eupc.1998.0029},
  url = {https://pubmed.ncbi.nlm.nih.gov/11228854/},
  note = {Source identifier: 11228854}
}