(Q48566562)
Statements
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Variation in sleepiness during early morning shifts: a mixed model approach to an experimental field study of train drivers (English)
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Göran Kecklund
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Torbjörn Akerstedt
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Michael Ingre
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Lena Kecklund
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1 January 2004
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21
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6
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973-990
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Identifiers
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