@misc{indiciae3be20ccc4e82,
  title = {The 4-5 c-sec rhythm.},
  author = {W Kuhlo and H Heintel and F Vogel},
  year = {1969},
  doi = {10.1016/0013-4694(69)90008-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4181986/},
  note = {Source identifier: 4181986}
}