@misc{indiciae3ddd249eae1c,
  title = {Single-lead VDD pacing system.},
  author = {P Varriale and A G Pilla and M Tekriwal},
  year = {1990},
  doi = {10.1111/j.1540-8159.1990.tb02102.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1695356/},
  note = {Source identifier: 1695356}
}