(Q41457777)
Statements
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Midwinter insomnia in the subarctic region: evening levels of serum melatonin and cortisol before and after treatment with bright artificial light (English)
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Hansen T
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Bratlid T
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Lingjärde O
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Brenn T
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1 April 1987
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75
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4
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428-434
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Identifiers
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