@misc{indiciae5b48bc5864c3,
  title = {Pacemaker treatment. Introduction.},
  author = {T Haghfelt and J F Hansen and A Leth and J Meibom and A Uhrenholdt},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4853520/},
  note = {Source identifier: 4853520}
}