Time irreversibility of heart rate oscillations in newborns - Does it reflect system nonlinearity?

Barbora Czippelova, L. Chladekova, Z. Uhrikova, Kamil Javorka, M. Zibolen, Michal Javorka. Time irreversibility of heart rate oscillations in newborns - Does it reflect system nonlinearity?. Biomed. Signal Proc. and Control, 19:85-88, 2015. [doi]

@article{CzippelovaCUJZJ15,
  title = {Time irreversibility of heart rate oscillations in newborns - Does it reflect system nonlinearity?},
  author = {Barbora Czippelova and L. Chladekova and Z. Uhrikova and Kamil Javorka and M. Zibolen and Michal Javorka},
  year = {2015},
  doi = {10.1016/j.bspc.2015.03.003},
  url = {http://dx.doi.org/10.1016/j.bspc.2015.03.003},
  researchr = {https://researchr.org/publication/CzippelovaCUJZJ15},
  cites = {0},
  citedby = {0},
  journal = {Biomed. Signal Proc. and Control},
  volume = {19},
  pages = {85-88},
}