A Matched Case Control Study of Orthostatic Intolerance in Children/Adolescents With Chronic Fatigue Syndrome

Heart Rate Variability

Task Force of the European Society of Cardiology the North A Electrophysiology · Circulation · 1996 · 16.9K citations

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The Chronic Fatigue Syndrome: A Comprehensive Approach to Its Definition and Study

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Power spectral analysis of heart rate and arterial pressure variabilities as a marker of sympatho-vagal interaction in man and conscious dog.

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Quantitative beat-to-beat analysis of heart rate dynamics during exercise

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