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Chronobiology International|April 11, 2009
Association between specific diurnal preference questionnaire items and PER3 VNTR genotypeJason Ellis, Malcolm von Schantz, Kay H S Jones, et al.Journal of Sleep Research|February 21, 2007
Age-related change in the association between a polymorphism in the PER3 gene and preferred timing of sleep and waking activitiesKay H S Jones, Jason Ellis, Malcolm von Schantz, et al.Pageof 1