@misc{indiciaefabe3c0ff122,
  title = {Early experience with a universal (DDD) pacing device.},
  author = {D L Hayes and D R Holmes and R E Vlietstra},
  year = {1983},
  url = {https://pubmed.ncbi.nlm.nih.gov/6843180/},
  note = {Source identifier: 6843180}
}