@misc{indiciaef50c0ced985b,
  title = {Development of a coding system for pacemakers.},
  author = {W Irnich},
  year = {1984},
  doi = {10.1111/j.1540-8159.1984.tb05631.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6207502/},
  note = {Source identifier: 6207502}
}