(Q48899988)
Statements
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Circadian characteristics of healthy 80-year-olds and their relationship to objectively recorded sleep (English)
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Reynolds CF 3rd
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Kupfer DJ
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Monk TH
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Buysse DJ
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Hoch CC
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Jarrett DB
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Jennings JR
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1 September 1991
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46
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5
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M171-5
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