@misc{indiciae8db41e9118ed,
  title = {Pacemaker alternans: a review.},
  author = {M Kleinfeld and S S Barold and J J Rozanski},
  year = {1987},
  doi = {10.1111/j.1540-8159.1987.tb06048.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2441376/},
  note = {Source identifier: 2441376}
}