@misc{indiciaefd9c9d6c1703,
  title = {ECG analysis for sleep apnea detection.},
  author = {C W Zywietz and V Von Einem and B Widiger and G Joseph},
  year = {2004},
  url = {https://pubmed.ncbi.nlm.nih.gov/15026838/},
  note = {Source identifier: 15026838}
}