(Q34461125)
Statements
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Morningness and eveningness: the free cortisol rise after awakening in "early birds" and "night owls". (English)
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Brigitte M Kudielka
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Ilona S Federenko
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Dirk H Hellhammer
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Stefan Wüst
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19 October 2005
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72
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2
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141-146
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Identifiers
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