@misc{indiciaedd50858bbcf6,
  title = {Asystole during pacemaker operations.},
  author = {J O Morgan-Hughes},
  year = {1970},
  doi = {10.1016/s0140-6736(70)90504-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4188759/},
  note = {Source identifier: 4188759}
}