(Q48838975)
Statements
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Circadian rhythms of frequency domain measures of heart rate variability in healthy subjects and patients with coronary artery disease. Effects of arousal and upright posture. (English)
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Huikuri HV
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Niemelä MJ
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Ojala S
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Rantala A
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Ikäheimo MJ
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1 July 1994
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90
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1
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121-126
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Identifiers
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