@misc{indiciaed803c446a2d9,
  title = {Surgical experience with temporary and permanent A-V sequential demand pacing.},
  author = {J Fields and B V Berkovits and J M Matloff},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4759694/},
  note = {Source identifier: 4759694}
}