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Rüger M, St Hilaire MA, Brainard GC, Khalsa SB, Kronauer RE, Czeisler CA, Lockley SW.Rüger M, et al. Among authors: khalsa sb.J Physiol. 2013 Jan 1;591(1):353-63. doi: 10.1113/jphysiol.2012.239046. Epub 2012 Oct 22.J Physiol. 2013.PMID: 23090946Free PMC article.