(Q40875301)
Statements
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Heart rate variability: origins, methods, and interpretive caveats (English)
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Berntson GG
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Bigger JT Jr
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Eckberg DL
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Grossman P
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Kaufmann PG
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Malik M
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Nagaraja HN
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Porges SW
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Saul JP
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Stone PH
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van der Molen MW
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1 November 1997
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34
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6
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623-648
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Identifiers
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