Biology Reference
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14. US Department of Labor.
Workers on flexible and shift schedules in 2004
. Available at:
15. US Department of Labor.
Beginning and ending hours: full-time wage and salary workers
.
Available at:
http://www.bls.gov/news.release/flex.t07.htm
;
2004.
sleep and vigilance quality during simulated night work.
J Sleep Res
. 2012;21:
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