999 resultados para 11-101
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Référence bibliographique : Rol, 57602
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Référence bibliographique : Rol, 57601
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Référence bibliographique : Rol, 56942
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Référence bibliographique : Rol, 56939
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Référence bibliographique : Rol, 57058
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Référence bibliographique : Rol, 57211
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Iowa Lottery Authority Retailer Information Newsletter
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Iowa Lottery Authority Retailer Information Newsletter
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Référence bibliographique : Rol, 57086
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Référence bibliographique : Rol, 57074
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BACKGROUND: On September 11, 2001, terrorists attacked the United States. By coincidence, a North Carolina highway patrol trooper was wearing an ambulatory ECG Holter monitor at this time as part of an air pollution study. METHODS: Heart rate variability parameters were analyzed: standard deviation of normal to normal beat intervals (SDNN) and percentage of interval differences >50 ms (PNN50). RESULTS: The trooper's heart rate variability changed immediately after learning about the terrorist attacks. Heart rate increased and PNN50 decreased, while SDNN increased strongly. CONCLUSIONS: These changes suggest strong emotional sympathetic stress associated with parasympathetic withdrawal in response to the news about the terrorist attack. [Authors]
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Collection : Collection d'historiens contemporains
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Iowa Lottery Retailer Newsletter