@misc{indiciaeb375eed7c2e7,
  title = {Optimal pacing in first-degree AV block.},
  author = {S S Barold},
  year = {1999},
  doi = {10.1111/j.1540-8159.1999.tb00344.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/10588142/},
  note = {Source identifier: 10588142}
}