@misc{indiciae41ee312d11bd,
  title = {Artificial cardiac pacemakers. 3.},
  author = {B Lown and B D Kosowsky},
  year = {1970},
  doi = {10.1056/nejm197011052831905},
  url = {https://pubmed.ncbi.nlm.nih.gov/4919088/},
  note = {Source identifier: 4919088}
}