@misc{indiciae4e14e0a2d45e,
  title = {Atrial electrical alternans.},
  author = {D K Chung and E K Chung},
  year = {1972},
  doi = {10.1080/00325481.1972.11713324},
  url = {https://pubmed.ncbi.nlm.nih.gov/4635612/},
  note = {Source identifier: 4635612}
}