@misc{indiciaec436fc408b04,
  title = {Endocardial radio-frequency pacemaker.},
  author = {I M Barr and S Yerushalmi and L C Blieden and E H Frei and H N Neufeld},
  year = {1967},
  url = {https://pubmed.ncbi.nlm.nih.gov/6025811/},
  note = {Source identifier: 6025811}
}