ERNST, Gernot, 2014. Heart Rate Variability. London: Springer London. ISBN 978-1-4471-4308-6.
[…] Variation is good and lack of variation is bad.
Heart Rate VariabilityERNST, Gernot, 2014. Heart Rate Variability. London: Springer London. ISBN 978-1-4471-4308-6.
[…] Variation is good and lack of variation is bad.