@misc{indiciae5e969245ba71,
  title = {Cardiac pacemakers.},
  author = {J W Harthorne},
  year = {1987},
  doi = {10.1016/0146-2806(87)90010-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/3319429/},
  note = {Source identifier: 3319429}
}