@misc{indiciaec6c63a9ffc41,
  title = {Ventricular demand pacemakers.},
  author = {K E Hammermeister},
  year = {1972},
  doi = {10.1016/0002-8703(72)90153-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/5058320/},
  note = {Source identifier: 5058320}
}