@misc{indiciae57167ad09e1c,
  title = {Longevity in complete heart block.},
  author = {B W Johansson},
  year = {1969},
  doi = {10.1111/j.1749-6632.1969.tb34166.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5263794/},
  note = {Source identifier: 5263794}
}