Article Text
State of the science
State of the science: heart rate variability in health and disease
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Footnotes
Contributors DJ: literature review, editing. MB: feedback, editing.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent Not required.
Provenance and peer review Not commissioned; internally peer reviewed.