@misc{indiciae7ecd01d86123,
  title = {Pacemaker alternans.},
  author = {J J Rozanski and M Kleinfeld and F X Worthington and J W Lister},
  year = {1984},
  doi = {10.1111/j.1540-8159.1984.tb04868.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6199756/},
  note = {Source identifier: 6199756}
}