@misc{indiciaea316c2422eef,
  title = {Cardiac resynchronization therapy optimization by finger plethysmography.},
  author = {Christian Butter and Christoph Stellbrink and Andres Belalcazar and Don Villalta and Michael Schlegl and Anil Sinha and Francisca Cuesta and Craig Reister},
  year = {2004},
  doi = {10.1016/j.hrthm.2004.07.002},
  url = {https://pubmed.ncbi.nlm.nih.gov/15851221/},
  note = {Source identifier: 15851221}
}