@misc{indiciaef104eed632d3,
  title = {[Invasive electrocardiologic studies and permanent pacemaker therapy].},
  author = {L Brorson and T B Conradson and B Olsson and L Rydén},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/423640/},
  note = {Source identifier: 423640}
}